MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's a link farm on disposable hosting and a lure for a password-protected archive. The embedded URLs and the nature of the heuristics suggest a phishing or malware delivery attempt, likely involving a second-stage download. No scripts were extracted, but the PDF structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://oniceh.ru/uplcv?utm_term=intext+questions+of+solutions PDF link annotation
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/93617979373.pdfIn PDF document text
- https://jung-yeunjang.ch/userfiles/file/funomavafidoz.pdfIn PDF document text
- http://domosplast.hu/files/file/gapakigitapa.pdfIn PDF document text
- https://www.totalblissbeauty.com.au/application/third_party/ckfinder/userfiles/files/24436034694.pdfIn PDF document text
- https://torbay.ru/images/uploads/file/fodoxaziwobuxo.pdfIn PDF document text
- http://juncheng.tw/upload/files/bezuvowabugolijuxoni.pdfIn PDF document text
- http://maytinhnangdong.com/files/uploads/editor/files/bavupifuxexi.pdfIn PDF document text
- https://lensmam.com/userfiles/file/ramowojovakunijowedix.pdfIn PDF document text
- http://workontext.ru/media/file/keguxot.pdfIn PDF document text
- http://aallergy.netlovestories.com/upload/files/19991007266.pdfIn PDF document text
- http://cn-daomeng.com/upload/userfiles/files/bc03a4963496ed55551e71ac0354dcf5.pdfIn PDF document text
- https://epiphanych.com/images/file/folagazegusizufed.pdfIn PDF document text
- http://www.keizerco.nl/userFiles/file/febuj.pdfIn PDF document text
- http://ihdbd.org/upload/files/58556415069.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/20476827457.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/9458362982.pdfIn PDF document text
- http://letnipohar.cz/upload/file/29661159192.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/tedulejolupidezilumemotoz.pdfIn PDF document text
- https://digicpictures.com/downloads/nujixa.pdfIn PDF document text
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xafajowiximezebogim.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/49124751450.pdfIn PDF document text
- http://immodraft.nrw/images/architekten_agentur_images_/file/rarixosiditavifawujowem.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143073ba4b37---46526735701.pdfIn PDF document text
- http://wxhsbl.com/ckfinder/userfiles/files/20210909_070419.pdfIn PDF document text
- https://granitnet.hu/editor_up/63900600440.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_off0000b223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB223 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA35 | 16056 bytes |
SHA-256: 74480582d661c2e67c6105c206a34938708cafbb2b154a47a7312569996e8792 |
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font_02_sfnt_off0000f31a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31A | 10244 bytes |
SHA-256: 3430bb8d3be88a1f15a3538388ccf425a084caa1df9ff280e617e83a928fc020 |
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