MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing a browser extension or update. While no scripts were directly extracted, the PDF structure and embedded URLs suggest a phishing attempt, likely leading to credential theft or malware installation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://cleanenergy.mn/uploads/files/sorisoporinonixumipuv.pdf
- http://badaranquehablar.com/userfiles/files/zajelolasururilogoju.pdf
- http://brenno-tojestto.pl/userfiles/file/7849862632.pdf
- http://prosquash.by/data/87921583853.pdf
- http://jevades.com/aircraft/fckimages/file/12694154620.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/bbf20cfb9bcf7d14b69d670e32c906ec/kafowetusikejabusakalin.pdf
- http://lagunaapartman.hu/images/user/file/7580789017.pdf
- http://yesilderecine.com/admin/editor_resim/file/zexurixekiretakot.pdf
- https://guapa2.com/admin/fck/file/65353284583.pdf
- http://namuvaldymas.lt/userfiles/file/26969669078.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1be610a59---xovewofenapawegukop.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160814b20aca43---donopukerevi.pdf
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/2e1da262d4422de6934d15829ef60b6b/pilikizifikil.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34cfb3e8e5---belepajese.pdf
- https://ourcampuswindow.com/ckfinder/userfiles/files/lerukulirap.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160c8e03007360---21714474235.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/c60337dc5f742501551e69449ba2a8d8/64052359012.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/8nvuch1f0gpuged9lkt83hcfv3/10049538887.pdf
- https://chezgregoire.fr/userfiles/guxex.pdf
- http://katyababash.com/images/uploads/file/67004680583.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/3c0e1c9629a13ffb04a7d0227496a6a8/pifumajevijegivorodul.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/jouesvmk91c661lt5ipv8ol7c2/35435409181.pdf
- http://jmvlpslimited.com/ci/userfiles/files/lopofuzaxafuwe.pdf
- http://mopron.ru/upload/files/81722754015.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160984814652bc---99264394061.pdf
- http://rc-modeller.se/images/file///jixizibasokab.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+do+i+flip+my+webcam+horizontally
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D3 | 16792 bytes |
font_01_sfnt_off000100ea.bin4f45cdda406358b7b99dae2f49f2b019bda23eb7ca0d5714e4e1e57d6813701f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100EA | 11108 bytes |
font_02_sfnt_off00011a6a.binadf8c80b352a3ee60a60cf9710e97bd61ea812ededee3298688e9c6cff5421f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6A | 16524 bytes |
font_03_sfnt_off00013128.binc6675c4ffe3b09aec0c77ae7dd1b7fd7699fcf15725b347a4b6e8a672f78c9df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13128 | 17492 bytes |
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