MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and is flagged by ClamAV as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links pointing to potentially disposable hosting, suggesting a link farm designed to distribute malicious content or phish for credentials. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://crewmak.ru/uplcv?utm_term=clear+cookies+on+samsung+android+tablet PDF link annotation
- http://apsencollege.org/test/fckeditor/file/musisewixuwoniraxarosus.pdfIn PDF document text
- http://cleversystems.ru/userfiles/file/77073792895.pdfIn PDF document text
- http://chenruichem.com/upload/files/98484076969.pdfIn PDF document text
- http://kahasat.cz/data/file/nobokat.pdfIn PDF document text
- https://qualitygums.com/userfiles/file/petuxuluxujopes.pdfIn PDF document text
- https://ifbscalidad.eus/files/galeria/files/xitupojalenebulob.pdfIn PDF document text
- http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/28936682375.pdfIn PDF document text
- http://3q1p.com/upload/file/2109090932222438763dp74zky0pt0.pdfIn PDF document text
- https://marblobathware.ph/app/webroot/img/files/fubakosorojotonem.pdfIn PDF document text
- http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/71372203962.pdfIn PDF document text
- https://alshuka.ps/ckfinder/userfiles/files/zevaxevedobenufepifevudew.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/67729144872.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/33172579296.pdfIn PDF document text
- https://angkaganjil.com/contents/files/runodituxodi.pdfIn PDF document text
- http://jsqnchem.com/upload/files/71219979513.pdfIn PDF document text
- https://pre-www.bridge-academy.com/uploaded/ckeditor/files/dejukavig.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/5713637253.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/rujomusukesagagasiw.pdfIn PDF document text
- https://facades-et-traditions.com/actualites/file/monifolovop.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/17151756503.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/dilatulifalasojatoxadepe.pdfIn PDF document text
- http://geraldinekilkelly.ie/54759947335.pdfIn PDF document text
- http://maremania.net/img_pagine/file/73228140385.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/mh6pp3vm1vm3pmqvhpihkscgnt/3724446369.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_off0000ffc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC6 | 19416 bytes |
SHA-256: 75146a9df77cd208c7e1f095dbd1fb301054d5e503dab2b17db19f87e3db3d18 |
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font_01_sfnt_off00013251.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13251 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00014a68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A68 | 11076 bytes |
SHA-256: ea7ab68c3fac0164e028041e9c0363fab14562f138709df9dcf7fe9fe5a80eef |
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