MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm or phishing operation. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a large number of distinct hosts used for linking.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://unionnutritech.com/upload/files/54968124904.pdf In PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/13624745672.pdfIn PDF document text
- http://ros-audit.com/i/up/file/mapifewizede.pdfIn PDF document text
- http://oldadmin.k12cart.com/media/files/xogixilerewetujagabamasof.pdfIn PDF document text
- https://pharma-tools.pl/galeria/file/5891751390.pdfIn PDF document text
- https://paysecure.ro/ckfinder/userfiles/files/xopomejurekiforolotogiwu.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/8i2phf2rte5lvlq9r516r3cpi4/penezawuxanikosorobisut.pdfIn PDF document text
- https://happyjourney.webtrails.in/ckfinder/userfiles/files/jatefirodanurirobadab.pdfIn PDF document text
- https://www.comperat-89.fr/ckfinder/userfiles/files/jiwizalumananawatud.pdfIn PDF document text
- http://ksklinika.ru/ckfinder/userfiles/files/11108591053.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/nakagomanegejur.pdfIn PDF document text
- http://baheth24cars.com/ckfinder/userfiles/files/24573784397.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/bikudonorevim.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/c61ee6c55a6cf13dec8bd8bcd93a6bb0/jixelosexipikiban.pdfIn PDF document text
- https://lixtech.com.tw/ckfinder/ckfiles/files/30327476533.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/72333468199.pdfIn PDF document text
- http://heathrowairporttaxi.website/userfiles/file/19712661942.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/79453218337.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-9/20210909235246355529.pdfIn PDF document text
- http://www.brickchamber.com/ckfinder/userfiles/files/96929558005.pdfIn PDF document text
- http://rayer.cn/d/files/10484220763.pdfIn PDF document text
- https://mytalk7.com/_UploadFile/Images/file/53314346497.pdfIn PDF document text
- http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/68562319091.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+check+if+android+phone+is+stolenPDF 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_off0000ba8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA8A | 10884 bytes |
SHA-256: 5f9c97732bba2387ac667b18d63ec5952b8ab5bcab8e0520358351a1b2d187c2 |
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font_01_sfnt_off0000d3a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A6 | 17800 bytes |
SHA-256: 57bf63e591ed0d5e2a35f77fc7e0beed130426f8a4b24ae640a6aa57ffe22b63 |
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font_02_sfnt_off000101ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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