MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a phishing trojan by ClamAV and flagged by an ML classifier. Heuristics indicate it functions as a link farm on compromised CMS uploads, likely to host malicious PDFs. The 'SE_CALLBACK_LURE' heuristic specifically points to a callback phishing or tech-support scam pretext, aiming to trick users into calling a provided phone number. No scripts were extracted, but the PDF structure and URL patterns suggest it is designed to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608722bd4e3a9---geralinebofapixupazi.pdf In PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ec292a60a---divik.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/03e8d7f55b202409a698553cbcd26d7e/rakuvavelepomaxepa.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1608b67b37e195---71688126343.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080f37ad308c---weverupuvamuxejino.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160c5177071d0e---mozudotuve.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/372b508f406f36676f0b5062cce8229d/jusomaxunaga.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/4mv26s9vg2j276af9ovt5vac70/xefowixomeso.pdfIn PDF document text
- https://prtl.pl/userfiles/file/17758102443.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/198d76ff3b559e6f8969886cc7eb3d6c/75549157535.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/zuvinozugexul.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3eabdccb3---sosebadulobedobe.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63cf419a53---79699246939.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/tlvosj0a6odure0osmlfkp4c2q/46116198999.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/2d879def2e6708f51f494309a99a9de6/wirusevujolusezalesam.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/d26a1bspbn1te5m1iiv4046kdp/49838734313.pdfIn PDF document text
- http://hkalc.com/userfiles/wavoxiwapojulomi.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/rd5tel0q1sq7dl8vba8uh0774k/68293173518.pdfIn PDF document text
- http://nomaquito-travel.com/editor-images/suwapofonem.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16092526987fcb---nulamiwokarovodakonopobu.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/vitunurojexemupedomin.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/kexidipiganemezidosewipus.pdfIn PDF document text
- http://telekommarketing.com/firme_data/files/darazo.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5292a6663---5941206742.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/as5d4a15kv81ak0j09jia08qs4/vanubilidewevaxukowamimum.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c6ead1c4c---bomunupupor.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/zaxagozowupowibugejuzito.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/nj4l0lcng0ot00ncfsfa8kdp53/wavugozaxakulijavobunovi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=continuing+guarantee+meaningPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000159b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000171c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171C7 | 18384 bytes |
SHA-256: 9da31eb0b6ed0f2e15adceeca352a733c7a351f897fb80d5bb8598e346753a7b |
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font_02_sfnt_off0001a25a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A25A | 10368 bytes |
SHA-256: e786a2a26db0a984c2f99b3b62e72049d6e01535e2538535fcfb80eb1422ebaf |
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