MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, containing numerous external URIs pointing to other PDF files hosted on distinct domains. This suggests a multi-stage attack, likely involving phishing or malware distribution through these linked documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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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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 http://mecateengenharia.com.br/ckfinder/userfiles/files/sonetudevinabugipajelufus.pdf In PDF document text
- https://sunrise-photon.com/upfiles/editor/files/18706759906.pdfIn PDF document text
- https://ofcourselc.com/admin/uploadsfile/61006682695.pdfIn PDF document text
- http://liavanhaeringen.nl/userfiles/files/xevodogidiwe.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/fuxemokezazevenagurizulod.pdfIn PDF document text
- https://bestcaps99.com/ckfinder/userfiles/files/kujexuligibusorululova.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/93145663313.pdfIn PDF document text
- http://nacyc.jp/Upload/file/raxutuvem.pdfIn PDF document text
- https://devcons.org/uploads/userfiles/files/86952827002.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/3553322642.pdfIn PDF document text
- https://stka.gr/ckfinder/userfiles/files/dapanap.pdfIn PDF document text
- http://hoangle.vn/uploads/userfiles/file/49798364668.pdfIn PDF document text
- http://themadthinker.com/temp/vinney/HTML/userfiles/file/tilinesuk.pdfIn PDF document text
- https://netron.pt/app/webroot/media/files/fawufebiriw.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/somujime.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/lefuzusosudopi.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/mikegumoj.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/42637156851.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/28862007874.pdfIn PDF document text
- http://vhshf.de/File/36939897219.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/49206691207.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/55241712666.pdfIn PDF document text
- http://mallenmediations.com/mallenmediations/images/userfiles/file/lopugipukepapikuzo.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/lubezamo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=softonic+software+for+androidPDF link annotation
- 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_off0000d326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD326 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3D | 10584 bytes |
SHA-256: b4e2f2772f7b21a681913feb45d5225abea47466d0132d8a8eb79a0b32c39202 |
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font_02_sfnt_off00010398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10398 | 16616 bytes |
SHA-256: f43c1e319f9cd6d195403cf7ad64454ad67ef046d8ffe884f543e97ed2efedbd |
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