MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics identified it as a link farm with numerous disposable hosting links, suggesting a phishing or malware distribution scheme. The embedded URLs, despite some being marked benign, point towards an attempt to redirect users to download APK files, likely for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 5
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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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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://www.fd.ntou.edu.tw/ckfinder/userfiles/files/17225889205.pdf In PDF document text
- https://www.sacict.or.th/ckfinder/userfiles/files/36560941902.pdfIn PDF document text
- https://alident.centralcms.cloud/galeria/files/27689859650.pdfIn PDF document text
- https://martabaktelor.com/contents/files/72964913290.pdfIn PDF document text
- https://mobilpetrol.olajpark.hu/files/files/pulifawuvisu.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/47847489690.pdfIn PDF document text
- http://carszana.com/image/upload/File/27029557218.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/59682724678.pdfIn PDF document text
- https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/xolubobokanijudozifozo.pdfIn PDF document text
- http://car-zone.sk/data/data/file/64500253539.pdfIn PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/gipisilojazirugilinukotug.pdfIn PDF document text
- https://vietnam-pump.com/userfiles/file/moxukelok.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133f1a24a71a---67023528648.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/nekomarepimo.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/22650164105.pdfIn PDF document text
- https://concertwristband.com/resimler/files/loxorekezoxeguvagiti.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/jepiwosadaxur.pdfIn PDF document text
- http://redeyeldn.com/userfiles/file/damat.pdfIn PDF document text
- http://1666-3668.com/attach/userfiles/file/34736700631.pdfIn PDF document text
- https://soccerauquebec.com/userfiles/file/misurevamunaganadu.pdfIn PDF document text
- https://jin-ji.com/upload/files/vanedorodan.pdfIn PDF document text
- https://chungcungoaigiao.vnpec.xyz/uploads/files/56235641087.pdfIn PDF document text
- http://bluelakehomestay.com/uploads/image/files/wizepetanis.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=movies+apk+download+2020PDF 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_off0000d925.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD925 | 17960 bytes |
SHA-256: f559819aa3ff01ad899dfe94af6ed13e89592c2ff0652f900a2540e3fbccf077 |
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font_01_sfnt_off0001077a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F91 | 10664 bytes |
SHA-256: 13861585ab35110ceebf81f0c1782fc37c859c49968af500518a52e3266dd860 |
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