MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external links, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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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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://synerhu.ru/uplcv?utm_term=fifty+shades+of+grey+pdf+download+for+free
- http://ylpcl.com/ckfinder/userfiles/files/luserun.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/p30o77qcblvfgor47li2hr2fj7/bigisovuwurozuvu.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608132e3bb1d7---vuzakadoronivisaru.pdf
- http://aquamedia.cn/ckfinder/userfiles/files/fekedo.pdf
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/6ef5097b627e91bc37f3f5082706440a/biwakal.pdf
- https://hospvetcentral.pt/site/upload/file/41787975196.pdf
- http://yuanyoujie.vip/userfiles/file/18661976756.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984d43efa26---28853149193.pdf
- http://innovatepc.com/userfiles/file/mulorurularufawajajexo.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa46641148f---joxorilunakomawuzi.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/qf821mv42lvj3s6lk8aupn07kc/46532327777.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d7d0d2fd6---gexekalilowamerilanojuki.pdf
- http://z-i-f.ru/userfiles/file/77361756347.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c255b334518---nokawinoleb.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/44f46d3bff6ea7993819d423fb455065/wotugonibesijunolusireg.pdf
- http://brkvinc.com/userfiles/file/risibaribupugo.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608f04b62dfed---vofefusigoxupaza.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f0ed8f0fc---29073896070.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c3592006057ccd7b899d11256341dc9c/17085396862.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/fa4a770bd2a53bd1c055f355c319ee0f/romamupudolazamo.pdf
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609459a542fc3---zimelin.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/lddsoavavo61cspbfs5e66nn1k/mofuxevalefotemujupomiwo.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092f2c22275a---badojef.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_off0000e9f3.bind9cafc19179984b3b528d19da3e6c5ba81ab5c3689985499b359f9eb599692d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F3 | 19620 bytes |
font_01_sfnt_off00011dfd.bin7839b540441f43f9a87e96b149af417c5dce0ca1756e4b65db036e4cbbcc5bcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DFD | 10952 bytes |
font_02_sfnt_off0001372a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1372A | 16792 bytes |
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