MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised CMS upload storage locations. The presence of numerous unknown URLs suggests an attempt to distribute further malicious content or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://sarljarry.fr/userfiles/file/winiz.pdf
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/456332472bad20d15c750d6435236a57/pakosemuzuraxigodu.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f49dd63f91---nupinopubeze.pdf
- https://foundryindia.org/userfiles/file/retexirupukagopesevagix.pdf
- https://infiniteprospects.com/FCKeditor/file/vujamafinelipomonabuwose.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160875078d1075---kigolakeparosavibif.pdf
- https://bahamianbrewery.com/ckfinder/userfiles/files/fofisuzikoxazek.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/6f87e796d9aba97a998d466f4b873d47/jawuvagoteg.pdf
- https://kitapkapla.com/upload/ckfinder/files/jiwutedenetija.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/2e86dc64646164edfa4e1ce1979943f2/foguwikupozaxejabaxozupev.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084310f75870---57614587727.pdf
- http://yachtandgulet.com/userfiles/file/tunixepezix.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/1281796e0b1a576f7bcdce83bef4617d/wedadaxufigiw.pdf
- http://hysansam.com/fckeditor/userfiles/image/tumudomugipesuvafeninapo.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8q0bracth8vpbd7p4nde0q6go1/wutanatanona.pdf
- https://oddluzanie.net/userfiles/file/gejalofomaxunapinog.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ace9b8575---zuxotabitaj.pdf
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/32cd171ccc0d334c3b2e50ddbf389816/74042685913.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/132d99024c0457cd77ae0a593d3518df/29248643241.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=easy+game+level+3
- 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_off0000f43c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF43C | 16792 bytes |
font_01_sfnt_off00010c53.bincb6bed2676636e129380f18d9fe2bf97ba6cdf4d76dffff00b7530703adbe442 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C53 | 10272 bytes |
font_02_sfnt_off00012385.binaedec13529aa0d610c1767629f8b12dd4e9d45b8ea04b5e1b34084d4836b6a88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12385 | 16960 bytes |
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