MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm pointing to compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature. The embedded URLs are likely intended to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/ac0fadabafa8c6a2fdbb5c8816036d13/pizuzovexadinuriju.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf1c04bdcf---83616874767.pdf
- http://vallovin.it/userfiles/files/17933807797.pdf
- http://ehhs1969.com/clients/6/67/67a0fa02f482ea8575b7cec7429e43a8/File/70620523301.pdf
- http://asfalon.com/__files/file/58426733015.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b7568c95023---30622229097.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/a791e4dbbc14e46efcf3997c306100f7/jeberobezakejaza.pdf
- https://louvre.lv/res/wysiwyg/file/durose.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/7c35c93e965006f61941ece310d36c04/fupanuzagiponelabifixaj.pdf
- https://tungqibiotech.com/upfiles/editor/files/14419468758.pdf
- http://kolaykanal.com/userfiles/files/moganibasedurokasusi.pdf
- http://czapla-dachy.pl/public/images/fck/file/74749521229.pdf
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/xiwajonax.pdf
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/22fa228cd7ff7d38c567ae543002948a/28214356862.pdf
- http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/82006633267.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16070490c33671---88360084421.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbd20f0043---1003616010.pdf
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/3d175d97d3c7226a2bd0ef86fb8e1fce/96262748823.pdf
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/nuxutokikudodirejaju.pdf
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076b80530a1c---ropurokufagemunejub.pdf
- http://reelproductionshd.com/userfiles/file/82016578440.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=hd+streamz+for+tv
- 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_off0000e735.binfdc22756db0e37b304a9c8db41b3db6fa1b08926fa7784d11929aec3fa109848 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE735 | 10392 bytes |
font_01_sfnt_off0000feca.bin85ad3b17da0514732619cf68e6eb911770e33d57cd9bc21a0aef9cb2b094288d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFECA | 26500 bytes |
font_02_sfnt_off00013709.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13709 | 16792 bytes |
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