MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous embedded URLs that point to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://oniceh.ru/uplcv?utm_term=i+can+feel+my+heart+beating+all+the+time
- http://jandenzobv.com/image_uploads/file/sapixekodob.pdf
- https://mzr-avocats.com/buddha/ckfinder/userfiles/files/56906658701.pdf
- http://aodaibooking.com/FileData/ckfinder/files/20210623_A7A6986B743A53AB.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c989189d6e---tebemav.pdf
- http://phillipsbrothersmill.com/clients/6/65/65192871cce8a6e36080a9ebd2808b02/File/zigepelitoxitinunub.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160735ff2a8e8e---lebogige.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c793f77b167---71442856785.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/avd7gsvdossctdvmaanqn7ndi5/64128828082.pdf
- https://djennebeads.com/nbloom/fckuploads/file/rosazulo.pdf
- http://dd-eng.com/files/files/tidarupulosa.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/16e451e34d4466152a9e496c1130b4f7/75321474470.pdf
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/cuphiqn2lfd80171v6fif5qigpml9b47/zugekasateberijovovoxodo.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d64ace64e47---muwatozenimewufut.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e4ec664dd5f---41483105277.pdf
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/2d408fc80f057c91892a8d0ceb60c7f0/45441865320.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076f8d583dad---49886111718.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/0d6abe1e570b504c003b9911e3a80a45/93532397322.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b13eabec2---rerasolumuwasugodoxepep.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16097659eb5178---revujurubazowiferixuper.pdf
- http://hoaisonland.vn/upload/files/toximipozalab.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160911c5f95283---mexomexube.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_off00010064.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10064 | 16792 bytes |
font_01_sfnt_off0001187b.bine1e6d939bf1243163d2e08197d40fdfeba16b04a750f4fce60a7f6bf80af6311 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1187B | 10700 bytes |
font_02_sfnt_off000130d0.bin05aa5c35ffd88b96adae306799e0a14cb9d86d5cb065701f0cdbd33669659cc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130D0 | 17180 bytes |
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