MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, indicating it functions as a link farm to distribute malicious content or conduct phishing attacks. The presence of multiple external URIs and link farm heuristics strongly suggests this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076e233bac00---92425500570.pdf In PDF document text
- http://tubietelbar.hu/uploadfile/68036142340.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e9d758491e---33824074499.pdfIn PDF document text
- http://photo-preiss.com/upload_files/files/naxaso.pdfIn PDF document text
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/r7ap0afjhboeet8kbm7fvc4351/vefusafaxolizeme.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075de30ead74---82535231766.pdfIn PDF document text
- http://simonhoirup.dk/userfiles/file/lomobafelarunijisarobofa.pdfIn PDF document text
- http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/etq0o6skq4s0vciru12phlpmbs/ziwedigomazak.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817fd835840---zexadosumagaloburenufube.pdfIn PDF document text
- http://annandale1963.com/clients/69704/File/fivojaximipo.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c83512019e---jowixapigo.pdfIn PDF document text
- http://giftboxvietthuy.com/upload/ck/files/xedegijutenamiwigujav.pdfIn PDF document text
- https://securityguardsupply.org/php/uploads/file/wanovuxemamisumupefezodiv.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/ds256jdr27vkbv3j6tc9k9v0e2/pizenaxemasuwoserubiwuju.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/37be311b874950e2724fd154be4e6d5c/zeraxapuforosufepom.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=where+is+a+980+area+codePDF 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_off0000d4e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFB | 19092 bytes |
SHA-256: 0835a2d0373cde5701ec5937e115b0a9b45ade0d1a7c861f98ae6457d6f0ab77 |
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font_02_sfnt_off00011d67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D67 | 10708 bytes |
SHA-256: 5cec3bbd0c8fe7cc0a1c1fa8d9ebc2a66d7254a7f9a648dbed10ec57a76999e3 |
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