MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF sample was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It functions as a link farm, directing users to various compromised WordPress sites hosting further PDF documents, likely as part of a phishing or malware distribution campaign. No scripts were extracted, but the structure suggests it's intended to lure users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/e52d8874ca1181d11ccb6030a89150b2/bitetegopovisebi.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6895918c4---91565121604.pdf
- http://macautemple.com/userfiles/file/gapokidoneda.pdf
- http://dermalab.pl/userfiles/file/supasufesuxog.pdf
- http://brianhaymore.com/images/e/file/21925126012.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d49ba1a9b3fa2dc89ec977a2f4395e93/58611462080.pdf
- http://tebsc.com/clients/84181/File/baguzasotuxopot.pdf
- https://mediaget.ru/userfiles/files/kabuzugegupugagijuki.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af74ced0391---55805810032.pdf
- http://orhs76reunion.com/clients/30721/File/18907533383.pdf
- http://vom-ragnaroek.de/uploads/file/90006825782.pdf
- http://pitafest.com/clients/1/13/1337b7689af00ddd847345d48bd720ff/File/kenulukagebok.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608331b5aca41---21049302359.pdf
- http://au-zlato.sk/upload/files/lumuduxufugureraxapisaw.pdf
- http://bilafafafa.com/shopadmin/upload/files/rafow.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/3q2c9oommsgbp7nchkq07eri5l/pekawozanomiruxas.pdf
- http://melinterior.ru/userfiles/files/34984402378.pdf
- https://a2designbg.com/userfiles/file/8039973568.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c136bb1de4---81455876289.pdf
- http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863c31cc059---suzibitujuvon.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e8a5eed23---sojatafelugoxuzumesi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=urinary+incontinence+and+uti
- 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_off0000e9bd.bin6a1cb25e594512bd5d16abb95947355b69d9a117f06821872aa90c24018d49e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BD | 10372 bytes |
font_01_sfnt_off00010154.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10154 | 16792 bytes |
font_02_sfnt_off00011966.binca4d8637e72826d6361898f2660b384c017e04ae9bdefa47837b927c6fd2d758 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11966 | 16248 bytes |
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