MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://infrive.ru/uplcv?utm_term=inshot+mod+for+pc
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd8844462d---biwikep.pdf
- https://astek-telem.fr/userfiles/file/58345353709.pdf
- http://xboxheerlen.nl/userfiles/file/50985807458.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e1c1d872f---zesilurafanadovuvuror.pdf
- https://marblobaths.com/app/webroot/img/files/73415877938.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/461bd34ebf6125abf12924b83efe3091/kixoviwizurexomugisutovot.pdf
- http://albino-pitti.com/pub_img/file/tutabuvi.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f1bb223d9---42596185262.pdf
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3fcbaa6ee---60640631075.pdf
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/dadd33695e2ecbb46d9cd81930cf8998/buxedolu.pdf
- https://coonvalleycc.com/userfiles/file/labujof.pdf
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/fbb71fd3f5fb7f2c3db4970246e09fb8/42876204371.pdf
- https://binarbaidtrading.com/public_html/userfiles/file/sagumodulefofep.pdf
- https://ceccargiurgiu.ro/userfiles/file/82905330219.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608560840985f---50417871845.pdf
- https://victorybear-info.com/userfiles/files/dewijulukilatalimiluf.pdf
- http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/tabosevimeko.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609aab3372759---64390143839.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bce99753027---65277221279.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c897ba6cea0---debemoponog.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/v2gtnile3f3cobus8vjeu54g1e/3617075820.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/1929602be19f843f98dc81ffc76988d1/79915344212.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/90d06be5ca23c00f7136facf91baf71c/23619732749.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_off0000f497.binf5507742e65c99cc1c12d82876e985400e80347114f92582db3bc1c63ca38528 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF497 | 17920 bytes |
font_01_sfnt_off00012354.binc16d9277de7579cec5c6f5edc85546ccadb30327a4ee726a416b91c4d0fa00d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12354 | 10404 bytes |
font_02_sfnt_off00013aa1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AA1 | 16792 bytes |
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