MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's a browser extension installation lure. It contains multiple links to external sites, some hosted on compromised WordPress installations, suggesting a phishing or malware distribution attempt. The embedded URLs and the nature of the heuristics point towards a social engineering attack designed to trick the user into downloading and executing a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://smidgel.ru/uplcv?utm_term=sweet+snap+beauty+camera+apk PDF link annotation
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2834c0bd8---netisaxewafo.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a04f62667---1996905971.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/29f5c7865c5ac50ac63bae257a94c5c4/mazofuladikowege.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c69fc24dc---6694119819.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb2155abe7---lujenibatofitediwujebusal.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc18ec1cbb4---70617717016.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff823389fb---79053465842.pdfIn PDF document text
- https://terryhaas.com/wp-content/plugins/super-forms/uploads/php/files/1c1f4d17c59c32dcfadff8a75b2e5894/bezasiwefabuzukevonax.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/e1vv18rkfaqrkbfb8q6ns0opt5/31547860809.pdfIn PDF document text
- http://mp-journal.com/media/file/penupoli.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa82269a198---rumurigalaterotamem.pdfIn PDF document text
- https://asset-books.com/userfiles/file/52603292874.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a0226f37a40---xopilovagopiboxi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE3A | 5548 bytes |
SHA-256: cedd2c97c668838b2d8eca04ee84838be27f68ab83da8eb53b1eac6aad8afa99 |
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font_01_sfnt_off0000f11e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11E | 10676 bytes |
SHA-256: 9f13c621ccf9f2be8d5ade7e886b5e7bb1427e41ad89304b40b082fa24de0d3a |
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