Malicious PDF — malware analysis report

Static analysis result for SHA-256 2169673b2747be13…

MALICIOUS

PDF

73.1 KB Created: 2021-03-14 05:22:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bee8f134f5009a59778ded77380f2fb SHA-1: a2cef3159ecf74e361a890790f694d69e581f7d1 SHA-256: 2169673b2747be13aea8ff4f0bea3e88b88ea39e4fee61cc038e01a648ca006b
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that mimics a search query, likely to trick users into clicking it. The PDF structure and embedded content suggest it's designed to deliver a phishing or malware payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://seumenha.ru/strik?utm_term=which+brand+of+window+air+conditioner+is+the+best
    • https://cdn.sqhk.co/lebereme/0qncC2O/he_s_the_eye_of_the_storm_chords.pdf
    • http://mscredit.info/katewa7e7pw.pdf
    • https://nesavelo.weebly.com/uploads/1/3/2/3/132303009/tupegoluvumup.pdf
    • https://penatiwateli.weebly.com/uploads/1/3/4/6/134617533/nefef-zebojatag-rumuluz-gofaxaguvut.pdf
    • http://talezoruvaje.iblogger.org/23283759745.pdf
    • https://cdn.sqhk.co/vunalogivefu/mlibnje/50685614543.pdf
    • http://cybety.xyz/antique_typewriter_repair_chicagomr2ua.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://vakewexapenox.epizy.com/how_do_you_write_test_instructions.pdf
    • http://vumavoralamo.rf.gd/bosch_maxx_4_manuale_italiano.pdf
    • http://penabak.epizy.com/7094303374.pdf
    • https://s3.amazonaws.com/gonima/can_inbreeding_cause_problems_in_dogs.pdf
    • https://s3.amazonaws.com/lovomijelun/administrative_law_text_and_cases.pdf
    • https://s3.amazonaws.com/wajufifenoxuj/17385346229.pdf
    • http://jiwabebiweruri.epizy.com/d_d_descent_into_avernus_download.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.

FilenameKindSourceSize
font_00_sfnt_off0000df9f.bin
ac398168654ccb6b349c6dfa09941d1356da59f5f5a9db3f7ab950624896b23c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF9F 5320 bytes
font_01_sfnt_off0000f1cd.bin
463eb38617e0707e13dcd55592538479e590d84c257b4d482e434e2f0bb24aaf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF1CD 11344 bytes

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