MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which are on disposable hosting, indicating a link farm designed to redirect users to malicious sites. The presence of external URIs and the ML classification strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://wastran.ru/uplcv?utm_term=file+manager+with+hidden+cabinet+apk PDF link annotation
- http://imosa.asia/uploads/files/202109141144388255.pdfIn PDF document text
- http://www.leposeur.fr/site/upload/ckfinder/files/nigukajalejobizigu.pdfIn PDF document text
- https://diphong.com/uploads/fuxawisi.pdfIn PDF document text
- http://carzip.biz/files/uploads/files/doditog.pdfIn PDF document text
- http://train-in-japan.com/images/blog/file/40872507320.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/pifetazukoruxine.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613feae1762ec---xugedefuwaxi.pdfIn PDF document text
- http://mwcapital.net/ckfinder/userfiles/files/74423286426.pdfIn PDF document text
- https://hediyelikhanem.com/calisma2/files/uploads/91904669100.pdfIn PDF document text
- http://fzsvybbs.at/userfiles/file/5775434643.pdfIn PDF document text
- http://hz-kontejnery.cz/ckfinder/userfiles/files/waxaduxateviduzobububizad.pdfIn PDF document text
- http://livingkaneohe.com/userimages/53053839710.pdfIn PDF document text
- http://glovimex.com/uploads/ckfinder/files/42679303395.pdfIn PDF document text
- https://brianspradlin.com/userfiles/file/95177958752.pdfIn PDF document text
- http://szerecsen.hu/editor_up/jupawuzunimivuzagonevi.pdfIn PDF document text
- https://mlmrockstars.com/ckfinder/userfiles/files/saliwakatogenobibalugev.pdfIn PDF document text
- https://ajitcoatings.com/uploads/gamikixujobinegetakibo.pdfIn PDF document text
- https://millinerandassoc.com/files/file/vefamisudep.pdfIn PDF document text
- http://tencanpowder.com/d/files/vajepesubarizil.pdfIn PDF document text
- https://lentes123.com/aym_image/files/nasajiwadotajuvopikomemut.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/zixeniwinerijaresi.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/26369947246.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/jusugilekunatekamebi.pdfIn PDF document text
- https://maytinhdalat.vn/images/uploads/files/32625705345.pdfIn PDF document text
- https://foulardfotografando.it/file/72448116419.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/75061118049.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_off0000f383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF383 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B95 | 19180 bytes |
SHA-256: 35481c36c192ee453a766de6c3c7b43566cba9b6a9aca83e8936f98d38ae741f |
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font_02_sfnt_off00013dbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DBB | 10968 bytes |
SHA-256: f611a80528b6cf70d2725fd6f30f0457da04774a523ddc727bdb85f49225e8e7 |
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