MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to various domains, many of which are compromised WordPress sites, likely intended to host or redirect to malicious payloads. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document may instruct the user to download a password-protected archive, a common tactic to evade gateway scanning.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://luminex.pl/upload/file/64555802936.pdf
- http://fine-cottage.ru/userfiles/file/wepizurabubonamo.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160857d93502a6---lejijuzazepisomozigaze.pdf
- http://unseretochter.ch/images/file/65568733387.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a4205d03eb5---62391308223.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079791b92e08---17445626136.pdf
- https://nguyenhungstone.com/uploads/image/files/58835246888.pdf
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/97179297487.pdf
- https://vetregistr.com/ckfinder/userfiles/files/62807013512.pdf
- http://ufnk.fr/app/webroot/files/file/damepowezumavinefimomimi.pdf
- http://garmagostaran.com/Upload/file/pomuka.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/oecaqgbd3l89j044ft6m7op0gd/nedosupejexugimelomofifu.pdf
- http://laduses.nl/image/file/ripovebege.pdf
- https://mytopics.it/uploads/file/88773094045.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d66c53a966a---2990679687.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6148bbd39---62910165422.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/0nlsgsngtb5m15c0cq80vger23/mafiwudulumivijusowijo.pdf
- https://perfecthospitals.org/FCKeditor/file/wileraji.pdf
- http://asiadomainstore.com/userfiles/file/nikefogolewezop.pdf
- http://www.jobsincrete.gr/images/_user_na/file/sewasamaw.pdf
- https://superchills.com/userfiles/file/9766232909.pdf
- http://drivescuolaguida.it/userfiles/files/99470581888.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=c%C3%B3mo+saber+cu%C3%A1nto+debo+de+mi+cr%C3%A9dito+fonacot
- 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_off0000e3c5.bin8fb8ca0cec0a261e22f79478a41cae75c60cd2b77fd60ade8038f4279d9b36df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C5 | 11336 bytes |
font_01_sfnt_off0000fd79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD79 | 16792 bytes |
font_02_sfnt_off0001158b.binedae05b27616cced791bcec9183240e65288b42447fad40b4620c0abee69fa1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1158B | 16888 bytes |
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