MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to other PDF files hosted on various domains, indicating a link farm designed to distribute malicious content or phish for information. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a deliberate tactic for obfuscation and distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://jvcc.cn/ckfinder/userfiles/files/2109102148310202428xvp2.pdf In PDF document text
- https://takipbizde.com/calisma2/files/uploads/toguwupovexabawesoduje.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/tusegogapalirumo.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/jinesojawaga.pdfIn PDF document text
- https://profesa.net/userFilesfile/1791149385.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/pokexu.pdfIn PDF document text
- https://mobilpetrol.olajpark.hu/files/files/58995898758.pdfIn PDF document text
- https://yenhuy.vn/upload/files/96058346690.pdfIn PDF document text
- http://timebymtm.com/upload/files/56487528181.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/nimejexetirodot.pdfIn PDF document text
- http://leruichem.com/upload/files/gokogaremirejupunuxerum.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/76938001104.pdfIn PDF document text
- http://vpsystem.com/files/fck/ladutemomusokokunaguriko.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1c430e084---2576914299.pdfIn PDF document text
- http://mistral-paints.cz/userfiles/files/vojora.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109052348526781.pdfIn PDF document text
- http://joinsocialbubble.com/cake/beta/userfiles/file/64226374776.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/24217054612.pdfIn PDF document text
- http://dunakeszi.varosom.hu/userfiles/files/vusesosa.pdfIn PDF document text
- https://carolinevlieghe.fr/images/file/lewovoxesirixamowup.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/meniz.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210911_CE2485429F0E85F7.pdfIn PDF document text
- http://pravkniga.ru/files/userfiles/files/sitaromekilu.pdfIn PDF document text
- http://www.ufolep-69.com/contenus/files/54814023946.pdfIn PDF document text
- http://vatlieulamnha.com/media/ftp/file/44684869230.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=the+fun+they+had+comprehension+questions+pdfPDF 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_off0000f79f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB1 | 19656 bytes |
SHA-256: 2b9d92bdf06ed3db0415c6ccd44cf269a664d8704eeaa115bb9a9ce4c9410c4e |
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font_02_sfnt_off000143b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143B9 | 11164 bytes |
SHA-256: 5ca1b2ff86ce9cdd456f5a1e8be63002dd873125b0255d2a1c2c0882cb004272 |
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