MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous embedded URLs that form a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. The primary purpose appears to be directing users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://ketchas.ru/uplcv?utm_term=coed+college+meaning
- https://advance-pack.com/editor_upload/file/sofuro.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e46e38ca17---9435549716.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c50ac64bdb8---sefusof.pdf
- https://mszukam.pl/dat//file/zatevufarizugimokijagidoz.pdf
- http://acecaalcoy.com/userfiles/file/dajafowabipaxe.pdf
- https://topplene.com/upload/ckfinder_temp/files/20210623215659.pdf
- http://bajajsports.com/userfiles/file/73852718213.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/2930ee7ac17133a7a61d6305de2318f6/roxejisu.pdf
- https://www.groupenahno.com/wp-content/plugins/super-forms/uploads/php/files/8avugu1jcgr1goipllg5db5vj7/kiniwe.pdf
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607030ace1aaa---folebosomovavuri.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160884010ea165---4692306835.pdf
- http://brno-skoleni.cz/ckfinder/userfiles/files/32275309497.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087c21472f57---wizimifejajulikatiwuridul.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8f1fb03b58---zizoriworimuvanevit.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9bdc83cb9---wukejoraxorakoxek.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d4d69fac054---86657284045.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/0gs1k5klsrlgefgtcjtn0e8880/minubataxesijoraxo.pdf
- https://pioneerlift.com/upfiles/editor/files/roturojoli.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/0e3518e08a4eb0610eab5cea6038d7a4/32642474602.pdf
- http://archerelectricsupply.com/userfiles/file/ruruju.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/b7e2cfa6a7c225ef15de060488934551/4509084638.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/1661e0ee1058be171e13fe54b3b02fdd/76020382596.pdf
- https://mokhalasati.com/userfiles/files/jativa.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a138e43ce77---557409199.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f10a.bin8bfc5e2f6383778b4716e60c732a7e5228106b692ca52c1f6b3c0b2892049825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10A | 16060 bytes |
font_01_sfnt_off0001061d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1061D | 16792 bytes |
font_02_sfnt_off00011e2f.binac3b70214205b348753078b9b677d483811b24efbe091c9981ade8d88f269ce4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E2F | 18076 bytes |
font_03_sfnt_off00014dc9.binf2d49f0c15c8c988a950a6667a029048d527eedcbf28dc1a6de296c28f5e055f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DC9 | 10376 bytes |
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