MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting it functions as a link farm. The embedded URLs are likely intended to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://cukiernia-waltar.pl/qcms/userfiles/file/90716114169.pdf
- http://appletechsolutions.com/userfiles/file/56626420652.pdf
- http://banlinhkienlaptop.com/userfiles/file/13206479594.pdf
- http://matstravel.ru/userfiles/file/vozuripoxuzukiruk.pdf
- https://sunarchegypt.com/userfiles/file/13404631764.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a732d26f251---55888095951.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/oqf6qi2l9pp25gjpjm76503qfk/49235007589.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cce7fe345d---panebofometiraruzaji.pdf
- https://voyagerf.ru/wp-content/plugins/super-forms/uploads/php/files/00ac9afb8535821d6e20486ab90c0b29/pekunewid.pdf
- https://samarpanbharat.org/trila/userfiles/file/mawomuxibomizi.pdf
- https://walnutcreekguide.com/wysiwygfiles/file/19008402464.pdf
- http://www.knickmeier.net/images/pageimg/file/66572594395.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/cf7211fb4dba826e4f07a536ceaa6d24/burimokakisomulexobaruko.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/ea23fa9f6bce93dc6e170c533b8651cb/59215758108.pdf
- https://www.myosiaffiliate.com/199trust/img/file/miwufaze.pdf
- http://ahcxdq.com/uploads/file/030519456943.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/18c852c501be05c7de28e215a3dc6bcb/disuzox.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ee803a374---fonokab.pdf
- https://machinex-machines.com/UserFiles/File/pexigamimelibi.pdf
- http://evola.it/userfiles/files/zodugebodu.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8476fafcb7---35871892.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608219f0c30ad---96342064819.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d72fd0cc281---nogegodon.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4226660ed0---raxepipu.pdf
- http://ofipapel.org//ckfinder/userfiles/files/xunideniko.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=snapchat+filter+that+makes+you+look+like+a+man
- 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_off0000f759.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF759 | 16792 bytes |
font_01_sfnt_off00010f6b.bin1c7062775a2584b1547299595ea810d57b1a3a763a5a2e3f9d25901d0a0340d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6B | 17880 bytes |
font_02_sfnt_off00013e3e.bin678e3865425f204bf1daee9c539f82cb1f67dfec70f306dfac8cb069e20782c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E3E | 11128 bytes |
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