PDF malware analysis — malicious · 34786e2de21842d6

MALICIOUS

PDF

62.2 KB Created: 2021-02-17 22:53:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 70352308b3afd6944ade6234e78ffb84 SHA-1: 76461752e07e769b05479e199e14e4157c6a01be SHA-256: 34786e2de21842d66374b936f07bdf18151976edcdea71625e5768aec7d53dfb

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 URI pointing to 'bologen.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains text related to 'old world foods menu', suggesting a lure to entice users to click the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

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://bologen.ru/wix?keyword=old+world+foods+menu
- https://cdn-cms.f-static.net/uploads/4369158/normal_602d406ceeafb.pdf
- http://aromaita.space/probe_master_4234_manualr8yl0.pdf
- http://udilische.club/pitixonobovioqhr.pdf
- http://dfds.in/lomubufx2rg.pdf
- https://cdn.sqhk.co/xubulozirod/dghhihL/minecraft_pocket_edition_beta_2020.pdf
- https://cdn.sqhk.co/wazilisiko/heOhcge/dungeon_defenders_awakened_xbox_one_store.pdf
- https://cdn.sqhk.co/puwipaneke/9hhgf92/loxobobojazuvaz.pdf
- http://iblack.space/948633588959e9g4.pdf
- https://static.s123-cdn-static.com/uploads/4503692/normal_5feec5161bdf8.pdf
- http://puruzil.iblogger.org/b._sc_pcm_full_form.pdf
- https://cdn.sqhk.co/kapideto/gehd8dE/one_talk_verizon_app.pdf
- https://cdn-cms.f-static.net/uploads/4368969/normal_6019ff5dcbbee.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://wisixanupa.rf.gd/sodewozozarenog.pdf
- http://kuwoguki.epizy.com/71551698544.pdf
- http://nulesuli.epizy.com/84041756068.pdf
- http://wasaxeradiko.rf.gd/56814727434.pdf
- http://musizaxodolof.epizy.com/gladiator_rhapsody_piano_sheet_music.pdf
- http://wedutatitupaze.epizy.com/alphabet_worksheets_for_2nd_grade.pdf
- http://gemakeruw.epizy.com/pagukifinuwira.pdf
- http://dexidije.epizy.com/33923751931.pdf
- http://nerebadaguve.epizy.com/sadajenuv.pdf
- http://kexobub.rf.gd/night_owl_security_camera_customer_service_phone_number.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_off0000bd0e.bin` `39c3157377ca7e1d783c890c8733a2b1fe36348148be658fe67c5f2569112470`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBD0E	4960 bytes
`font_01_sfnt_off0000cdef.bin` `d3c8cbe6202997a6da6ce6ddd822e5e626e88d4bfad83aa032d5f1f353c2831b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCDEF	8620 bytes

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