MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress upload storage, suggesting it's designed to trick users into downloading further malicious content. The presence of a 'download' button heuristic further supports this phishing-like lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/c1344782ca75815008a764429ff1d466/36342319756.pdf
- https://blindnow.com/userfiles/file/15974374904.pdf
- http://okmarin.ru/userfiles/file/fogudopedalewomanul.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ffe3032edc---25014887481.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/d420b198cee4567ed80cb97b215132bc/80703080561.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa56645383---fabuduwudilominodoxuze.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/ss60ook9p39649gqhin3jbtbb0/85653090400.pdf
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160cdebad95550---napulologofero.pdf
- http://maasmartcity.com/userfiles/file/9580548830.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/0gmd2nsasqs62t6g6rm0udjuqf/xosisakudofebinovegok.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd58323deae---57210736044.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90a3888203---75037884352.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/umeo8la5fotdlkjdmvgn4eomn7/21023773112.pdf
- https://yssnewlessons.org/UserFilesTwo/file/75052473513.pdf
- https://brod-plovdiv.com/images/wogudefilapesomege.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/7r6uc3bn12upk98295nag4hv23/zejubul.pdf
- http://scoutpate.com/userfiles/file/39675413972.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cf0dc2f9b---bewuwexijagip.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bd1f73026---zusurasapumas.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086c78796215---gagalenarunubuvuk.pdf
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072136728b77---63734562065.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9560c998ba---37848540238.pdf
- http://kibbkw.com/uploads/file/48188550325.pdf
- https://signika.pl/Upload/file/83880078329.pdf
- http://extracam.es/app/webroot/arxius/file/xolunif.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=11th+chemistry+practical+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_off0000e6ca.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CA | 16792 bytes |
font_01_sfnt_off0000fee1.binae65243e085eac4f253f2648aae6304a2e9b3636a11be54fb1e326760f55c58d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEE1 | 10728 bytes |
font_02_sfnt_off0001178c.bin6f23bc14b0e9fb793d57631dd86018ac87a1bef41e68a5d6b9a5b1002fd7dc6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178C | 16708 bytes |
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