MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The PDF contains numerous links to compromised WordPress upload storage and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of external URIs and the overall heuristic profile points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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 http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad0eff73ffb---wutizulajazesoweluxi.pdf In PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160748cc30de70---wukigumuzudejuveripifo.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3c22d141cf---baliwelizotixif.pdfIn PDF document text
- http://npi-management.com/ressource/site-image/files/sotevejafowozefaba.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/92750022959.pdfIn PDF document text
- https://gullyracing.it/admin/ckfinder/userfiles/files/fisekuvogebivema.pdfIn PDF document text
- http://bobiniauto.com/userfiles/file/45487639952.pdfIn PDF document text
- http://pmmagic.vn/userfiles/file/40514396088.pdfIn PDF document text
- http://meyanko.com/userfiles/file///24718815359.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/3062766d8dc861aeb2deb5a9a2d0b5b1/85281606366.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/7f6865299c27a069656e5020d084352e/gapawapemanadimimiru.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700f240abe7---fuxagoneremip.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070edd6c8acb---sibujefesiwe.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/dirumobe.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/bemakufog.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/25vd6g7tqtdi0bkn6m11drk3l1/zesasafaxebeziv.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d75241a4b---makotuwuruwepazopudole.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/51665256986.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/1270690250.pdfIn PDF document text
- http://theprojectmanagement.guru/cote_dor_import/admin/ckfinder/userfiles/files/gosepawised.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/41948126003.pdfIn PDF document text
- http://www.de.ruben.pl/ckfinder/userfiles/files/nututufepukupajadeto.pdfIn PDF document text
- https://asiajitu.com/contents//files/15455099107.pdfIn PDF document text
- http://www.bash.cl/media/file/wakovifanen.pdfIn PDF document text
- https://jagamimpi.net/contents//files/63552290136.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=how+to+do+forex+trading+in+south+africa+pdfPDF 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_off0000ece8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE8 | 11132 bytes |
SHA-256: 99c84d82843372e2a4946d48b8309cdaad57e3b049a0b8d6775bdd05b2fa93d9 |
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font_01_sfnt_off000106b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B2 | 17032 bytes |
SHA-256: ee486d1437be1c5c3ec5d3ac21a2ab42ca99d9eb6c21a48bd2df2b4e206a4748 |
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font_02_sfnt_off00013382.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13382 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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