MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal that the document contains a link farm pointing to compromised WordPress upload directories, suggesting it's designed to redirect users to malicious content. The presence of multiple unknown URLs further supports this, indicating a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d5f9a1cb0---madodedaladoposata.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/cb735d5e8c795f2e592cc9d4b9bd541b/tuvibizi.pdf
- http://aklond.com/UploadFilesfile///2021050201202972.pdf
- http://metall-press.ru/files/sifepugozexikelexa.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ec5777edf---zugaxufisakopimirufas.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f66e20833d---rukosojoladajigas.pdf
- http://telekommarketing.com/firme_data/files/mijoxi.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a82a16403f4---17786624006.pdf
- http://ontsgoi.shop/uploads/files/45708794770.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/dc0b8361c310f333b2a538b9ef233e06/vumagujej.pdf
- http://austria-ex.com/images/blog//file/96267945144.pdf
- http://www.bandungmesin.com/file/direjifowoxetoj.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c717acdefd---pifuxutinabepi.pdf
- http://southfieldhigh.com/clients/a/a2/a202dccd336a30abee2d0a4364b9f07c/File/86197574520.pdf
- http://funperm.ru/content/file/lasapaminipevubovava.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/f410c0cfd90102b680c85e7419794104/71557645527.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/8208040639711508f058f250381e2c09/14853467919.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ba34c22458a---pipobetiduderulemegipudog.pdf
- http://bright-mineral.com/uploadfile/file/2021051622343161.pdf
- http://wmc21.com/ckupload/files/zatirifemuvoguvexarijazog.pdf
- http://cerescommoditiesltd.com/Images_upload/files/57596151913.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bedf74a625e---20393492453.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a47edd4fa---97492300224.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=jake+the+dog+and+bender
- 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_off0000ed1b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1B | 16792 bytes |
font_01_sfnt_off0001052d.bin240f7f2879d57d349a8b94996182890ec664dfabc16be5fa0d6340c26c3a0a4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1052D | 16780 bytes |
font_02_sfnt_off000130f3.binbc90a3898a8dfc850eb662c840dc8825a759c9b0f92ea1bee9232cfabf77044d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F3 | 10444 bytes |
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