MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document contains numerous embedded links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm or phishing lure. The heuristic 'SE_LOLBIN_RUN_COMMAND' and the presence of URLs like 'https://coretry.ru/uplcv?utm_term=is+my+boyfriend+trying+to+pimp+me' indicate an attempt to redirect users to malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://coretry.ru/uplcv?utm_term=is+my+boyfriend+trying+to+pimp+me PDF link annotation
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/kabvj7k43kqvpcmdhdrnml02i4/33527907699.pdfIn PDF document text
- https://www.propertyadvisersaustralia.com/wp-content/plugins/super-forms/uploads/php/files/705767dbc7a6129372d5b090a1f67b3c/22342827212.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/mnd2sgtu9r87hv4j9b70qfqch9/zukinurizebabafamibe.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/soxigasika.pdfIn PDF document text
- https://amursvoidom.ru/media/files/64261893968.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/8298927005e910c991b458b15d0500ff/4040311753.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160919f060a61e---pizaji.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/negixubudewubavax.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/43749834652.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/5m1eb7cdubdrq6mnfg2mg49blc/vivijoxaratenixonuxi.pdfIn PDF document text
- http://autohondl.cz/userfiles/file/31728615130.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606faf459d604---83684687008.pdfIn PDF document text
- https://www.propertyadvisersauIn macro / runtime command snippet
- 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_off0000caf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF1 | 5296 bytes |
SHA-256: 77ca5efe1736a13a430f6c661e0fabba7c05ffdf26223f9eb33caee6c4fc7128 |
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font_01_sfnt_off0000dce7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE7 | 10628 bytes |
SHA-256: c7c74a3114fb906b9b8336cb0f4bddee8507146282a43336588ab73a9a8f99ee |
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