MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing and malware distribution lure. The document's content and heuristics indicate it attempts to trick users into installing a browser extension or update, a common social-engineering tactic. The embedded URLs likely serve as download locations for malicious payloads or further phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://philabc.ru/uplcv?utm_term=screen+stream+mirroring+pro+free+download
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089be42770fd---renufafefexuvi.pdf
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c768c635bb---vuvebofotulogaganiru.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e446ad4f63---joxoxibawodedomeb.pdf
- https://shoppingplanet.ro/ckfinder/userfiles/files/15946164118.pdf
- https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/ri15gfer1l63a9vf00u7j7j0a4/99782269533.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/c5fc1e31bd1c9bbf29c0917099907397/92292734764.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607625988ca56---mexikizi.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089858f398f5---55779971007.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/e1497662b66c64ec6854feb81df0edae/benovanowodivepetatowidav.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/319ae330a6a49be025afce8401c8ad31/86672819807.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16078b62ca03e9---bojukolewerizolobewosoli.pdf
- https://puppometalli.eu/file/wisixad.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a278f0492---belovegujujebuwasubola.pdf
- https://chpcentre.com/files/file/pejemuwifutifu.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2b8eb7cba---jozif.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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://scripts.sil.org/OFL
- 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_off0000e22e.bin852348f793ba3ae868d3cb06451bbc8e64f1ba2c3d35c53e4355e6d4e497d262 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE22E | 5668 bytes |
font_01_sfnt_off0000f57a.binad98fae7eb7ab8299a9da34b6da58e6753bba587e48cef4a34cd52e1edf0421d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57A | 11196 bytes |
font_02_sfnt_off00011bab.binf0a8b786da721c7415a59d91fbce3b20bbb98ea32e48857ac1ff22d53b00ec29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BAB | 16144 bytes |
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