MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest the document's primary purpose is to redirect users to potentially malicious websites. The 'SE_CALLBACK_LURE' heuristic further indicates a phishing or scam context.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://chcial.ru/uplcv?utm_term=can+you+remotely+wipe+an+android+phone PDF link annotation
- http://grimastone.ru/files/613715908.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/tifegunux.pdfIn PDF document text
- http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/64404737412.pdfIn PDF document text
- http://olympiad-bigben.ru/ckfinder/userfiles/files/nuvomujaxiw.pdfIn PDF document text
- http://joltiy.ru/uploads/files/12512988152.pdfIn PDF document text
- http://go-pxl.com/uploads/files/20540517129.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/14295005206.pdfIn PDF document text
- http://macierz-grodziec.org/files/file/dedebutiwisejuni.pdfIn PDF document text
- http://dainindo.com/Uploads/userfiles/files/62935049882.pdfIn PDF document text
- https://rallstarawards.us/nbloom/fckuploads/file/fatiwifetulunoxurer.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/jugusujelezobusurazodi.pdfIn PDF document text
- http://synhbio.com/upload/files/98627144389.pdfIn PDF document text
- http://fskyok.com/uploadfile/files/19548234250.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f55aea8ae2---49189011329.pdfIn PDF document text
- http://baocaosudanang24h.com/uploads/image/files/96524022445.pdfIn PDF document text
- http://korvet-sp.ru/userfiles/file/53398600650.pdfIn PDF document text
- http://wideanglepackaging.com/ckfinder/userfiles/files/nalovevegasuwevefo.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/91718483890.pdfIn PDF document text
- http://serbanindustrialconstruct.ro/uploads/files/veremuzebonibuxemitu.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/qggivvimgi1qsogda7k62u8r74/50081959979.pdfIn PDF document text
- http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/vizizudoxelolemojuri.pdfIn PDF document text
- http://digitalpolicycouncil.org/imagenes/file/bafisa.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/luzuwo.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE887 | 10820 bytes |
SHA-256: df9992ae64f96e9ed754b35e5235b4547c05a757faf80363d1bc4d42259692bf |
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font_01_sfnt_off00010155.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10155 | 17832 bytes |
SHA-256: 994188474f403d2b0c71af43bda996f84b9a785d4a189a5a18333416248b54d4 |
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font_02_sfnt_off00012fe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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