Malicious PDF — malware analysis report

Static analysis result for SHA-256 568c626c2b3b453c…

MALICIOUS

PDF

76.6 KB Created: 2021-04-26 02:50:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 97ee869ce56c25d5c9afe3b3bad73283 SHA-1: 99456c2d2e4e414e0a1018d350c51fbc083d0991 SHA-256: 568c626c2b3b453c61ed61ff247387f9b638d1f0b6c8e7f74592a0c16d6c8cf1
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded external URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to 'Honda power washer pump oil type'. No scripts were extracted, but the presence of external URIs and the overall detection suggest a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://leonvi.ru/strik?utm_term=honda+power+washer+pump+oil+type
    • http://giocodigital.website/3668454441l171l.pdf
    • https://cdn.sqhk.co/guwaloxipete/tkqgjgc/can_you_escape_the_room_8_level_46.pdf
    • http://jinokonur.22web.org/upstream_beginner_teacher_s_book.pdf
    • https://cdn.sqhk.co/nozedimasav/geTighe/green_bay_packers_chicago_bears_2019.pdf
    • https://cdn.sqhk.co/navimoxa/jjgwfia/motocross_beach_jumping_3d_game_download.pdf
    • https://cdn.sqhk.co/vitimosugu/jcjbUhj/learn_how_to_invest_in_stocks_app.pdf
    • https://cdn.sqhk.co/mifigatira/2Yljeif/11_clues_word_game_level_9.pdf
    • https://cdn.sqhk.co/lijipatalenu/8ChhWhc/vowukamivukubevigevix.pdf
    • https://cdn.sqhk.co/lewuravasu/jjn2jc2/te_te_2_crafting_guide.pdf
    • http://nosinoski.shop/canadian_coast_guard_regulations_for_small_boatsv5mij.pdf
    • http://deemonatrafik.xyz/59116775909v7e34.pdf
    • http://kojurebajalafaw.22web.org/77653880671.pdf
    • https://cdn.sqhk.co/sategexarom/qjhjjXI/detifiwemurinavuve.pdf
    • https://cdn.sqhk.co/vilonunufuk/sXRhijd/police_pursuit_2020.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/lomogas/maxixudogodugijoto.pdf
    • http://kugugoroxe.rf.gd/vanifuvewisevaze.pdf
    • https://s3.amazonaws.com/vunizi/what_books_does_season_5_of_outlander_cover.pdf
    • https://s3.amazonaws.com/gowupuzokowuxes/46808253531.pdf
    • http://lopumupukerodu.epizy.com/pupokarisama.pdf
    • http://tamipaw.epizy.com/57211348580.pdf
    • https://s3.amazonaws.com/vajefam/89106183157.pdf
    • https://s3.amazonaws.com/bufipevuril/xixamutepoxoropirofomom.pdf
    • https://s3.amazonaws.com/gewuwasi/what_is_peters_principle.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e25d.bin
437489bde9363fc9e7b84a72868002155ce0fd95931649ad631aaaad0170e3e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE25D 5236 bytes
font_01_sfnt_off0000f40d.bin
ffbad1eb19301c042c653dcce5269ec4a607b9951039278f4726a9d9a3fddc59		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF40D 10220 bytes
font_02_sfnt_off00011707.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11707 4324 bytes

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