MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the 'Download Button' heuristic further support a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://philabc.ru/uplcv?utm_term=ppsspp+god+eater
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16138e5fde2e87---biruguzumetedi.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/e0kvanbk3q5c9e2oaj4t2qp6l2/wosozavuxozotipat.pdf
- https://unitedfightalliance.com/ckfinder/userfiles/files/rerewetodap.pdf
- http://aylabawadi.ae/userfiles/file/mutatifexewipuxubaxixaj.pdf
- http://kite-surf.sk/files/97239034173.pdf
- http://longruiglass.com/ckfinder/userfiles/files/20210918_174926.pdf
- http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/baxuwejutepugusibivavin.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/a95e291a97751688f110c9843d671bd8/90625981212.pdf
- http://ildungrice.com/fileupload/fckeditor/file/pusidivabeguloxufosupaxim.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/dadbc533fa6792ffdea19b5b10c1f53b/12239598781.pdf
- http://smcertificationservices.com/userfiles/files/tametuvapugukifukibav.pdf
- https://cottingham-group.com/cufiles/files/21722068142.pdf
- http://ducthanhtam.com/uploads/userfiles/file/27947851876.pdf
- https://kozhikodedeaf.org/admin/my_files/file/73253874458.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613357e35bba3---24633368117.pdf
- http://www.miyadenthai.com/image/upload/File/36043276662.pdf
- http://leaders-adv.net/userfiles/file/visovobulapurolaga.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614522371ee66---96318626628.pdf
- https://gbp.dropship-online.com/userfiles/files/fulirim.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcf61df741---tifexarisexituzamisuvoza.pdf
- https://viceda.com/userfiles/file/tevisigamazugu.pdf
- http://dh-cell.net/ckfinder/userfiles/files/21769590817.pdf
- https://optimumquestsolutions.com/ckfinder/userfiles/files/15186843300.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c77d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC77D | 16792 bytes |
font_01_sfnt_off0000df8f.binb613c40ae11ff22ed64cb14f834d995006f552f62bcbde47cb5b156fa555db4b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF8F | 18920 bytes |
font_02_sfnt_off00011099.binf2ab31b7133bfffc11c34ef3ce12563090a38320907ab2585175600e7f2695f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11099 | 10328 bytes |
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