MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress upload directories. The primary lure appears to be a link disguised as a song download, which redirects to a PDF that itself acts as a link farm. This suggests the document is designed to lead users to malicious content hosted on compromised infrastructure, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://laborke.ru/uplcv?utm_term=aww+happy+birthday+song+mp3+download PDF link annotation
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e2a1b10495---93229059536.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-5/file/64973591879.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/lf9ks4di4chomg9k0os7npqc76/69239740462.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866acdb868f---wofefoxekamisuwu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf7003d61fa---6623721719.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160875c11873dc---rikosejemawupilumorisite.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/8ugvg0p115afc0s8bsq73slke3/61379988337.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072b9d3ddb5a---nukuzel.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090b03fcc43d---30212933562.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/50813347226.pdfIn PDF document text
- http://www.emailposte.com/pictures/13940423444.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/fe361c2cfdde7e001a2526081a26730f/difelasesamobobanef.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9dde4f260---povod.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/b4lfs99k5fi789jfu501t9a6da/mebamajezovizu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/66cab5d47f1f8c3ec699459ab4de9640/fezusosifezidejabikamegi.pdfIn 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_off0000f0c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C9 | 5860 bytes |
SHA-256: 1acb8ffbe32b949b63aa2c19d8dce9645003299b08e527b3b5d9f9cc6503b367 |
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font_01_sfnt_off0001049f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049F | 10704 bytes |
SHA-256: 8aa8c8c9666ed62c69253cb606b82058d59dfe1fcdb8404d918ccd7b3a1f9554 |
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