MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. The 'SE_CLICKFIX' heuristic indicates a social engineering attack that instructs the user to press Win+R or paste a command into a terminal, consistent with attempts to bypass macro restrictions. An embedded JavaScript stream was also detected, likely used to facilitate the execution of a secondary payload from one of the numerous external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 8
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://hanilkwanla.com/uploads/files/lusizidumiwikoxoguzufud.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/c9d4a0dbaaa2731b1729834a7c9759d1/favinigujapavobabev.pdf
- http://www.peritaonline.es/ckfinder/userfiles/files/fewipalanimoralugobabavi.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/64033a55d1c6fccc54a4ead3b41bdc92/26993487125.pdf
- https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/sojanepomunegufilag.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b79c10273---sanulemojipuj.pdf
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/2bb8b596e57fb36f0fa4019c1784ceb3/bozazelibupodefuboji.pdf
- http://dagmar-e.de/userfiles/file/kenadasifomuxajop.pdf
- http://artvideo74.ru/upfiles/files/49741230977.pdf
- http://regmac.net/userfiles/files/wizenug.pdf
- http://carrasvilla.es/uploads/files/25956375595.pdf
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/jiduvo.pdf
- http://newkontakt.ru/userfiles/images/file/19138542588.pdf
- http://ecofincas.net/ckfinder/userfiles/files/bazaf.pdf
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/7121957315.pdf
- http://ingmontagna.com/userfiles/files/gabijivonopawekukajivusu.pdf
- http://apothepharma.com/upload/files/sifepaketibesajima.pdf
- http://qhchemicalsfeed.com/upload/files/51719991088.pdf
- http://vuatoyen.com/uploads/userfiles/file/wodinumizobatiro.pdf
- http://xn--q20b13r9leepaeb.net/upload/file/202109090249004920.pdf
- http://www.dawnrotaryclub.tw/UserFiles/files/40375237948.pdf
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/petuzek.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614249a51377c---gevaziki.pdf
- http://tecresconsolidamentorestauro.it/fck_data/file/68277838817.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=what+is+android+adb+driver
- 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_off0000d621.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD621 | 16792 bytes |
font_01_sfnt_off0000ee38.bine7fb1aa24ee6da652dd717048b205c54ceb2163a8ada9525a527c6c734c45a4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE38 | 10496 bytes |
font_02_sfnt_off00010612.bincc5c1d2f279de707787b959b4d283ca5e57a1867c21388e24478d9dfd76156db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10612 | 17384 bytes |
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