MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. It contains numerous embedded URLs, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607844dda60e3---79434063106.pdf
- https://giriconsultancy.com/content_files/files/vokigodamaju.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ba4abaf5c---50314759613.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c263d06b4---fijanebinumuzisizufeniroz.pdf
- https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/7981a17b21265ab602de8e3066fcafe7/sejogezisoj.pdf
- http://sunnyten.net/userData/board/file/13961299935.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160992dce60f55---99885452265.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf7dbf3ff1a---poxanupuronavejalewilav.pdf
- http://turar-mussin.com/userfiles/File/xadimumajav.pdf
- http://cafemsoffice.com/userfiles/files/xadexojebomi.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc5121f26a---luxaruzovubefagor.pdf
- http://tvkinter.com/file_media/file_image/file/medisugaj.pdf
- https://aurorabersinar2.com/contents//files/30829095531.pdf
- http://ros.by/ckfinder/userfiles/files/godumepelej.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8399e1663---43467379392.pdf
- http://nage-z.com/ckfinder/userfiles/files/zakazotaxajuzopolazegi.pdf
- http://bearings-home.com/userfiles/file/38437846839.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a6106ff5b0b02273ca36678a462cd7cf/nedilataposawanag.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/a053044a62eb8a8233225f264a279810/ladasonejalawabidaga.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fda19770de---bitikoxatexezetev.pdf
- http://gptools.net/userfiles/file/69319867746.pdf
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2c015d6d72e3e9b6d66f1737a1b3da89/67193759151.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=fmea+process+can+be+applied+to
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb68.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB68 | 16792 bytes |
font_01_sfnt_off0001137f.bin6d4ab9a4ea791df7e21ff14ef25f5e5ef664ad154ab3f50199b7a55b3fde2b79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1137F | 10792 bytes |
font_02_sfnt_off00012c06.binb6888cd9ed795905dae4148fee29f9de60bd325725a847cdcc433e043482ebff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C06 | 17272 bytes |
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