MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Multiple heuristics indicate the PDF is part of a link farm hosted on compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pixomot.ru/uplcv?utm_term=determination+of+ideal+gas+law+constant+lab+answers
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b17e7ea45---18279498646.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b8ab47186---36454820476.pdf
- http://healingtown.org/userData/board/file/nebedipezosejoxizenab.pdf
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/h5604so8vrdsufduu8jltpf9qe/49514670245.pdf
- http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/bulenutimixogumagex.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/6ctuf31ov2akps5gmainebbldr/19404129207.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077cdab7f30c---68903653561.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607557bce262c---82522922897.pdf
- https://clubberia.com/js/ckfinder/userfiles/files/96065989202.pdf
- http://dlmberatung.ch/userfiles/files/loweruzeraj.pdf
- https://marcuspietrek.de/MARCUS/files/file/61955114278.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/a6749a36b7c8de2ac092c7a1a8a13fc2/potemilowuvozukiki.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbc8b2848a---bedunawumar.pdf
- http://akifkasaboglu.com/esatfisek/images_upload/files/joruwuzubilisojuwodawipof.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c31a51844d---figejawafe.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/129557576660e550b56e0e5.pdf
- https://irepairplus.nl/app/webroot/files/userfiles/files/zalowedavefota.pdf
- https://lienlacanien.com/img_pages/file/37140387771.pdf
- http://apluskleaning.com/admin/images/file/sibibogiz.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160887269818ee---36050798456.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f9ea229b0---xapivow.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/290294531b5d91fcec75e4d23ce0e37d/28258463009.pdf
- 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_off00014624.bin92d0a9fbe5a71996805c0693e5ea4e84d7137fec825499f0a3a5ff3e2f71bc6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14624 | 18360 bytes |
font_01_sfnt_off000176fc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176FC | 16792 bytes |
font_02_sfnt_off00018f13.bin20c948d7c5b72770df37c1ddcdf160e41e56efc0835924ae390cea8f55ecce04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18F13 | 11044 bytes |
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