MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a tactic to distribute malicious content or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://akvari-um.ru/userfiles/file/lapekewofulekegujali.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609acab0a0906---lixozopedepepalozuji.pdf
- http://szao-spb.ru/images/news/file/63890641608.pdf
- http://jevades.com/aircraft/fckimages/file/51116928607.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea6d53c67e---jirovapumefezexipa.pdf
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/fa7b4e50c13fce3bb8f10b70b20c2c80/86641547116.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083bde2a0a5e---29381664474.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b83e56c6a---62005352115.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/aefc0d64fd4e9353825dc886127cb167/xibidofisujojotijos.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/6d9a86509ba98b73aee1f71d0438ebe4/supigojiruzevufubadose.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e13ef907e6---24021220143.pdf
- https://aihr-iadh.org/uploads/FCK_files/file/dakajitiwa.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6e1cac0cd---rinef.pdf
- http://snap-drone.com/userfiles/file/38457177791.pdf
- https://altonika.pro/files/fck/file/ripoxazubobenobazajax.pdf
- https://b2cexpressdemo.com/userfiles/file/48699336211.pdf
- http://onlineexpert.in/userfiles/file/89582645045.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16070b1df0a707---47242582054.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/52f64c2b703461257913c107fffc0dd8/wijofot.pdf
- http://inwallendorf.de/userfiles/file/61053804276.pdf
- https://vietnaminsight.biz/ckfinder/userfiles/files/87981682838.pdf
- https://newtech-utm.pl/userfiles/file/jagonobilekapudo.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac52dc0019c---bepitapuk.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070dc00bc46a---88056726620.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ea8d8bb01e8c44bb5e1c55c666db4157/nabiwepimebaletifixebaju.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=james+bond+release+date+no+time+to+die
- 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_off0000f733.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF733 | 16792 bytes |
font_01_sfnt_off00010f4a.bin7449a540434ad0874458fe29b9e49050b37c90775c1ff14156e716d76f1f2004 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4A | 10540 bytes |
font_02_sfnt_off00012742.binb8137008f42a978040ed207ce5a4a80633d3d4525450c6af94eeec5f8c259743 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12742 | 19240 bytes |
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