MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it functions as a link farm. Several URLs point to compromised WordPress installations, suggesting a tactic to distribute or mask malicious links. The PDF structure and embedded links are consistent with phishing or SEO poisoning campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed63a242e4---vinedakiponipu.pdf In PDF document text
- http://homeopathyhongkong.org/files/zazuganugu.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/90960499478.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3f8cf21b9---mefetokolasofozilujexot.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/18017971176.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/fikedifeledazefixuvebaku.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7fef31cdf---zanaxobavoxijaliseki.pdfIn PDF document text
- http://sportgalaktik.sk/userfiles/file/3414757689.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608117ac1f8ce---60038212989.pdfIn PDF document text
- http://didopack.com/files/40643288799.pdfIn PDF document text
- https://mimpishio2.net/contents//files/jejixipesogowadilobi.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/gigibazejozivobilifituxo.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/vokokatajanupipaf.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6pct66689q00294tanjir3gcq3/10989217718.pdfIn PDF document text
- http://clarksville.net/wysiwygfiles/file/puwuwuforipilurivutesofun.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210522062212150.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/s18kivsr4e715e6aj6plgufmvh/pebudulowevufefofi.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/8e9b091320b751a7cd7ad8b2ecfa02f5/binidirilunazugonekasiku.pdfIn PDF document text
- http://bouncebodysupplements.com/newerac2c/userfiles/file/81788442131.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16092530db1a8f---nimitizobovorulokoke.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/46b5934e1192236547039783e04a96ae/21029271612.pdfIn PDF document text
- https://betalinktech.com/blmedia/file/volalerobepugewevatukorom.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/090562b8a1eb4e7e1500395e0e42f52e/71883097605.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/dugoxiw.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608121ff34511---mavedixamizevezunu.pdfIn PDF document text
- https://maximatrimony.com/ckfinder/userfiles/files/sipatu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=up+counter+vhdl+codePDF 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_off0000b78b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB78B | 15492 bytes |
SHA-256: 474ccd99591a8293c1c7fd2b403db099030b7f6ab86bc6b1fb27c597903c8c6a |
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font_01_sfnt_off0000df37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF37 | 10360 bytes |
SHA-256: b172e02ce6419e6d0f57aee6c887f7e55c514e176f2358ad3f02bc1db752cf42 |
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font_02_sfnt_off0000f690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF690 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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