MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution attempt. The presence of embedded URLs and the nature of the heuristic firings indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://agro-pasz.pl/ckfinder/userfiles/files/94467300391.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c66941a5e---pedupik.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/1mhicntlu266a37kgn7egm7hjh/sivexipinax.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc897cde2f---jemij.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c98ef7c3aa---7147970948.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/9b38dea7da9a003be67a2753f4bc7e8e/68126542752.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-5-15/20210515135550692053.pdf
- https://vayamcs.com/content_files/files/31993441140.pdf
- https://picinterior.com/ckfinder/userfiles/files/8725966279.pdf
- https://www.myosiaffiliate.com/199trust/img/file/kiwixo.pdf
- http://100gastro.cz/soubory/files/fuzupipetafimivexe.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/98244221924.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/45alo8p1jo5tk1juo0edncqa9q/59435025117.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9ef17b439---bozubaloxal.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/oe3puvssl1cbscug75rjdabp56/xobadigozufawowexivenex.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bea30e8b2---tedobazagimol.pdf
- http://agataklimowska.pl/userfiles/file/85346728446.pdf
- https://bursakaynak.net/userfiles/file/logijuvaz.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/948803754e095511329111ec574d89a7/80009015532.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d792415d5da---xuxajokawutumofuxir.pdf
- http://zap-interactive.com/uploads/files/98784418662.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+know+my+windows+password
- 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_off0000d036.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD036 | 16792 bytes |
font_01_sfnt_off0000e848.bin184654cd0f0cb69cde51ce2b7c49dbbb912168d62d8c9095e8abd518122ea42e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE848 | 16804 bytes |
font_02_sfnt_off000113ec.binc6b560e1044cd596ff1955ef9c0dde64a8adfdefd928011b37883ffd027f7d33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113EC | 10660 bytes |
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