MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites, likely serving as a lure for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/23ae7hvsmhbe95bcq6bgaravt4/19243710045.pdf
- http://creativeindustries.ru/uploads/userfiles/file/40004415153.pdf
- https://tractorpulling-emmeloord.nl/upload/file/44160478018.pdf
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/c988e7e90632961afd94d00a0fc09c0b/4314224314.pdf
- http://vervesimuhub.com/userfiles/file/pixoziruxaresunapakap.pdf
- https://addsfly.com/userfiles/file/42046842625.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1295ba453---40412803901.pdf
- https://ienter.bg/files/ronuf.pdf
- http://studiotecnicomaglio.it/userfiles/files/penidizerosekupuri.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5c832f178---wafasededovuxulijake.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ee0e153dac7---bexinevunetojur.pdf
- http://ulrike-mayer.de/userfiles/files/55197809236.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/dc08d286cad3b1e4a6877db6eeaf9c09/37207674099.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607faf3665d11---84295497124.pdf
- http://anatolianlgs.com/userfiles/file/74459683990.pdf
- http://bennyhigh73.com/clients/3/33/33ce00c6a031cf3b17a3dcf69aaa7594/File/21457779851.pdf
- http://firegallery.ru/img/upload/47316917901.pdf
- https://alatheir.com/atheirwsfiles/file/sadutifofoxafi.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160818e7f14aee---telewoguvakexaf.pdf
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/deliwotuvil.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077542913455---40095245396.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160890936a6b63---kudomuwuxivaniwawizov.pdf
- http://bahtiyardishekimi.com/fckfiles/file/48027957096.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+set+up+a+manual+proxy
- 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_off0000ef24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF24 | 16792 bytes |
font_01_sfnt_off0001073b.bin6ab3d6f32a15ca514711499a72fe34b09ec77648ed7f1769224be445ac153fb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073B | 10712 bytes |
font_02_sfnt_off00011fec.bin65bb1e18a86e3b8f5244bcccdafeb27c8cc3090f671a5c788217a4b4593314c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FEC | 16620 bytes |
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