PDF malware analysis — malicious · e3b9aa340fa58fc8

MALICIOUS

PDF

72.6 KB Created: 2021-02-19 20:10:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5d65eed58746b09c18f5fc4d53bed7dc SHA-1: 279368ddb4563051936484f069c4eda34473c5a8 SHA-256: e3b9aa340fa58fc843a97cbffc08267bc76fa658bea23f434eac0985df4f6bd8

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to 'maypoin.ru', which is likely used to deliver a malicious payload or redirect the user to a phishing site. No scripts were extracted, but the presence of an external URI and the overall detection suggest a phishing or malware delivery attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://maypoin.ru/wix?keyword=fagor+duo+pressure+cooker+8+qt
- https://cdn.sqhk.co/dewobube/5eXGsf8/rayman_adventures_pc.pdf
- https://static.s123-cdn-static.com/uploads/4415065/normal_5fe06a3ae89b1.pdf
- https://cdn.sqhk.co/vakanaju/UzprIIs/87519933693.pdf
- https://cdn.sqhk.co/dukosisevu/7hchjsL/29738890917.pdf
- https://static.s123-cdn-static.com/uploads/4460048/normal_60039ec26b2e4.pdf
- https://cdn-cms.f-static.net/uploads/4501770/normal_60116d6daab49.pdf
- https://static.s123-cdn-static.com/uploads/4474985/normal_600267008eda3.pdf
- https://cdn.sqhk.co/kikolibub/KHggfdK/84276593535.pdf
- http://dazemuwemez.22web.org/86121743307.pdf
- https://cdn.sqhk.co/petebeki/SST0gju/25472930512.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://wirodugapilab.epizy.com/canon_speedlite_600ex-rt_ii.pdf
- https://s3.amazonaws.com/mulerux/robbery_bob_2_1._5_mod_apk.pdf
- https://s3.amazonaws.com/ganubatebedoxez/99138997483.pdf
- https://s3.amazonaws.com/litunux/bigut.pdf
- https://s3.amazonaws.com/gezizefefififa/xunetod.pdf
- https://s3.amazonaws.com/nuxomigo/wetuvatutexoxofaluk.pdf
- http://jubegovasoranaz.rf.gd/27481283719.pdf
- https://s3.amazonaws.com/julexekubaj/mandatory_reporting_elder_abuse_ohio.pdf
- https://s3.amazonaws.com/mizeteb/black_s_law_dictionary_latest_edition.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000df35.bin` `7017ec8462b1e269e827141ecf48de7a0596a5a69dc5dcbfbd12e4a0a990e35c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF35	5548 bytes
`font_01_sfnt_off0000f227.bin` `96831326cd3604c1b8794053087ecfdccd95d1f7c5892c14d0f4b51253a2ab20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF227	10336 bytes

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