MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm on compromised WordPress sites and disposable hosting, with URLs containing 'utm_term' parameters suggesting SEO manipulation for phishing. While no scripts were explicitly extracted, the nature of the link farm and the detection as a trojan suggest it likely serves as a lure to download further malicious content or redirect to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 https://oniceh.ru/uplcv?utm_term=modulator+circuit+pdf PDF link annotation
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/37nl4j4sdle62k9odsf939bdlu/levidenivadaroxopi.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0f0b060d6---muzuvopilanaxu.pdfIn PDF document text
- http://camelliafb.com/uploads/files/202108220856484156.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/kidudikobusolesujibomizob.pdfIn PDF document text
- http://ozdoby-betonowe21.pl/Upload/file/sunuk.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/3299371392.pdfIn PDF document text
- http://viquadro.com/userfiles/files/82161049794.pdfIn PDF document text
- http://irinaburmistrova.ru/files/sozenunemokepemuxona.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/tepizupap.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bea83a12cb3---99959176325.pdfIn PDF document text
- http://indianaquesters.org/clients/9/95/9573c8d6e108c9729a37356986dd5b5e/File/jexojonatamof.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bf770e725---sawela.pdfIn PDF document text
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/ckkf991fshmmraq60m8nr7g6gt/72217505180.pdfIn PDF document text
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/b1aa740d5b0deb21cfc2cf1973cdba10/95222741811.pdfIn PDF document text
- https://cubic.is/userfiles/file/50222405109.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/g5nssl4u1qfr52vn0n7v6kqamc/17990500464.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/42694549817.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/60751299830.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/fugefemanujubop.pdfIn PDF document text
- https://mvmdigital.gr/files/files/75405997911.pdfIn PDF document text
- https://contactfm.be/userfiles/files/71744197982.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/wuwalam.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab2667ad98---12306822232.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/uv923da1pm5vat0ll9hvooadq4/tovovu.pdfIn PDF document text
- 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_off00012bcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BCF | 20600 bytes |
SHA-256: e969365ce80642601c9ad962f172e86560150995744c0d6065c6304ec1e35317 |
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font_01_sfnt_off000161af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x161AF | 10304 bytes |
SHA-256: e210cc8673f30eee062820fe2d120b3fbe634f2722d9d10b6b721ed2c99a8174 |
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font_02_sfnt_off000178fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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