MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites, indicating a likely phishing or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, with the link farm heuristic further supporting a phishing or malicious content delivery pattern. No specific family could be identified.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609493260dcd9---tozewofozusi.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf28623fd44---farabomiraru.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607032deee3fe---84891350401.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d04ec27b18---45619610259.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cf6a1c93773---jilasuguxo.pdf
- http://innovatepc.com/userfiles/file/52289966242.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ff9098746---lopijizel.pdf
- http://championshipsportsrings.com/clients/23492/File/22216387953.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608c849c8fe29---18500615590.pdf
- https://andrejc.si/files/file/46529489516.pdf
- http://www.hangmandigital.com/files/file/70330863948.pdf
- https://khanikango.in/file/sumulutatajiwixorebiz.pdf
- https://hzautomatisering.nl/userfiles/file/7698860246.pdf
- http://scuderia512.com/js/upload/files/xagifolufuvutirukixur.pdf
- https://fishboat.hr/files/lumofujajiti.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/6a4a2c164dd93d2ede1b36de039fcada/17589750712.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16081acd5c1268---kubukijusakakigug.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d56838ed44---vulosur.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f434aee5e1---sujol.pdf
- http://davidhammerstein.org/ckfinder/userfiles/files/ximis.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608685c4a9191---21419569455.pdf
- http://architettoseneca.com/userfiles/files/tadotalopapakugigogesebo.pdf
- http://www.advokat.com/app/webroot/img/fck/file/74988866878.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bf136b774ba---45006648803.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=immersion+heater+no+hot+water
- 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_off0000df46.bin3eb290cc3b99ae1d0aad9a594109a8b580e8126d94b5ef0c59c3037e1c81ea50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF46 | 17572 bytes |
font_01_sfnt_off00010d29.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D29 | 16792 bytes |
font_02_sfnt_off00012540.bin949512b60691a1348db62c190aee909667a5c900a84c211906b6e470e858fb61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12540 | 10364 bytes |
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