MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external URLs, many of which are hosted on compromised CMS upload storage or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure and embedded content are consistent with attempts to disguise malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://rugsdirect4u.com/uploadedfiles/file/55400055827.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/c5ef0ea4c2f491f44eb5790a716d90c6/jukiwanedeg.pdf
- https://isabellepieman.com/userfiles/file/26224768379.pdf
- http://wsm.hk/images/files/78342094705.pdf
- https://edex.co/userfiles/files/1457564882.pdf
- http://montagnobozzone.it/userfiles/files/16144464128.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/68efcb6ea843df40ad59dfac2e132b6e/zizepudav.pdf
- https://cahayamimpi1.com/contents/files/6953607537.pdf
- http://ebd.su/UFD/7623/files/vomejetisebuvabimo.pdf
- http://webinaris.net/ckfinder/userfiles/publics/files/46457446892.pdf
- https://maggies-handmade.com/UserFiles/files/16982353586.pdf
- http://urdu-hadith.com/survey/userfiles/files/52726617361.pdf
- https://didacostruzioni.it/userfiles/file/ziragov.pdf
- http://ballmillfactory.com/d/files/pitivemufolitiki.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/b1e8ec9482fc249a6957e3c2b346e6a1/82750656191.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615348e2c8795---gipikobenikoko.pdf
- http://wadsoda.com/UserFiles/File/60531653611.pdf
- http://sdds.be/userfiles/file/75271565173.pdf
- http://csc-020.com/userfiles/file/20210901071631_fm2upo.pdf
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/lijunufijevonibetutis.pdf
- https://kimansion.com/uploads/file/59726746217.pdf
- http://testplanet.nl/uploads/files/didezozolo.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/id1kjr4ddu4bus496f2j8cdm7k/jobuje.pdf
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/95923236201.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=importance+of+formal+education+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_off0000c587.bineb6be882d1087b914db33247b8b8f461d2ab2f2b6a5ce38f8405e0de6d40ae5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC587 | 16256 bytes |
font_01_sfnt_off0000ef2b.bind2c099810bcbb3a21d5596bb429d484874b5dc1856902a2d40f0d3580373b62a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2B | 10664 bytes |
font_02_sfnt_off0001077e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077E | 16792 bytes |
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