MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous external links, many pointing to compromised CMS uploads, suggesting a link farm designed to redirect users to malicious sites. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, likely serving as a phishing lure or a distribution point for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.5544
Heuristics 5
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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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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://oniceh.ru/uplcv?utm_term=writing+slope+intercept+equations+from+word+problems+worksheet PDF link annotation
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/9899lsjdohplds16rvabb4b88m/dusexabube.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4592395915---nedar.pdfIn PDF document text
- https://global-brand.net/userfiles/files/55450234959.pdfIn PDF document text
- https://repare-ton-smartphone.com/userfiles/file/mowefuzedoliretafek.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/44k85hdjmo7nn9khhjobr19ud2/latefuxekemuxoda.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/53h6hetms242bgbhjod19ajqm3/56737007292.pdfIn PDF document text
- http://greece-ex.com/images/blog//file/85781659884.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/3bf8e37bc41712d2bd0e872eb6f50bc5/99324104982.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f91f200e9---52988887639.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/47343d9c8c369d753cdca33f9b4ba7f1/movuwukaperitufisirizif.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///39044941209.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3383cd0d66---zaxowamodifumuzojewe.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f35adcd533---kufurixekuxijekoki.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/50754ca87976a036c6657ce47369ba36/palukagi.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/7eb86e5ef7f3eec63103facb6923aac1/melaxevosekudi.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/87578486066.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/fd397342b4f38ca1aaf4071ed1ef86f5/jukij.pdfIn PDF document text
- http://frezerovka.by/images/fxeditor/file/94380937936.pdfIn PDF document text
- https://questyme.ca/userfiles/file/18580250075.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609da2a85840e---54588289667.pdfIn PDF document text
- http://chhsmahs.com/clients/8/83/83f479e57a8bbaec88b4a04d821ef24e/File/35779309075.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/bc440833394a63eec89bde9a2eadae72/gelamozefedixepilu.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f846.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF846 | 11624 bytes |
SHA-256: 95921702c4c64e8cf7e8a6cfe90deb826ff5375dadd4898ca86d1c1463493569 |
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font_01_sfnt_off00011307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11307 | 18352 bytes |
SHA-256: 501192c073061f06340aaf3d28dca59c845a223c65fe9f844f07fb6ec7a7d215 |
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