MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or SEO poisoning tactic. The document body is heavily obfuscated and unreadable, preventing a deeper analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c51726d2c85---88100881922.pdf In PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/30813408249.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aea7b1a246---15226171339.pdfIn PDF document text
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/3859577350.pdfIn PDF document text
- http://geoplan.su/userfiles/file/73803788818.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160838eb36ed14---xoxebobewelevuwor.pdfIn PDF document text
- https://nakatarikaszel.pl/app/webroot/userfiles/file/jetozudefuxuvo.pdfIn PDF document text
- https://okinawa4d.com/contents//files/nimugafiwadufufo.pdfIn PDF document text
- https://pestresolution.pt/site/upload/file/kiligivilofodazuzezi.pdfIn PDF document text
- https://beautydent.hu/editor_up/bivovasalenolewara.pdfIn PDF document text
- http://asfalon.com/__files/file/89826040952.pdfIn PDF document text
- https://isosklo.cz./uploads/jomefenuvosoniromeluv.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/zeraxekonileroxud.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/38322775249.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb4eb59297---bejusonunifoxufidabove.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/dogexakidixamuzebiwet.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/9dc80a78260951b7c14f40eeeee4cb5c/wewitowetilifo.pdfIn PDF document text
- http://jevades.com/aircraft/fckimages/file/2039207031.pdfIn PDF document text
- https://taperagi.com/contents//files/9624402110.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/pulepajijemekujuxef.pdfIn PDF document text
- https://mailing.crpm.ch/ck/ckfinder/userfiles/files/wemomorinavupuvokuxorup.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/50937cb19578dd355cf1903af108f977/gipifowotobawafanupizen.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4fa6e5461---49731479981.pdfIn PDF document text
- http://wawa757.com/uploads/files/64185462903.pdfIn PDF document text
- http://cfacgroupe.com/uploads/FCK_files/file/27243393362.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=electronic+battleship+advanced+mission+instructions+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11669 | 11172 bytes |
SHA-256: e852688f9cf901b0293e41de01314ae3fd4e3cd643235879f160a5ba3669d15f |
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font_01_sfnt_off00013017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13017 | 18392 bytes |
SHA-256: 57e331bf902ac7d3e4e2580dfb505d1297215b6666f4138466cc0a64601de7ef |
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font_02_sfnt_off0001606c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1606C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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