MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The primary purpose appears to be directing users to malicious external sites, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://clasesholandes.com/userfiles/file/verukolamalilezo.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160762970b21e6---49334724324.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/343551234609ce47249a5a.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/77bf333d03cb43528010322b214cc33c/tajisejedanitaninunenazij.pdf
- http://tsyrulnikov.ru/upload/file/nipedevikuxore.pdf
- http://greatnice.club/updatefiles/file/42395070640.pdf
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/d61aad45539ed8f425da91f23aff0a74/zetofewen.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfa4e8575e---nenifunopilowezu.pdf
- https://accuratesearch.com/userfiles/file/66103992764.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/449eb6c14f17cef62d49e0516117bfb5/33388702782.pdf
- http://amexeuro.com/an3_Uploads/file/84961042303.pdf
- http://palaciodelosnavas.com/userfiles/file/jedakide.pdf
- https://mahae.hu/files/files/puwazadejasoruxelufolirut.pdf
- https://bevillelecomte.ovh/ckfinder/userfiles/files/rafewenuva.pdf
- http://dnepropress.net/files/file/vakotutipabizij.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/af894daecb1350f840a02e62c306ea48/13397800783.pdf
- http://efuegypt.org/userfiles/file/xutulezoruguga.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607050dae4f4d---fenidinikazegiba.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5a014349091f76bce9a14fab895d66f0/jurabunarefixalupogedusor.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28d7c1c878---nudiruvakudavibudagede.pdf
- http://proreferee.ru/uploads/ckfinder/files/modipukopiguvaxigi.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c621a2d68a3---powulibizifuk.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c0564ed77---gimez.pdf
- https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/13462657344.pdf
- https://sbsoftware.ro/admin/userfiles/file/18191692584.pdf
- http://mujuerp.com/uploads/ckeditor/files/20210530011149.pdf
- http://kiszelyugyvediiroda.hu/docs/file/75507336505.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=spark+plug+cleaner+and+tester+pdf
- 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_off0000da0f.bine70e289762a9c797b198eedc7802168ea3c078e9b823efddd3a5b0f0f5a06946 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA0F | 16084 bytes |
font_01_sfnt_off00010386.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10386 | 16792 bytes |
font_02_sfnt_off00011b9d.binecd5a75db97aed59d7ee8e119eaabeaad4ca22d7c42360d56204c4f537a460e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B9D | 10848 bytes |
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