Malicious PDF — malware analysis report

Static analysis result for SHA-256 a042e32d53267c37…

MALICIOUS

PDF

73.6 KB Created: 2021-01-19 22:31:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 655bfd0c62a7304d752bb77616284be9 SHA-1: e48a9ab804c29d9a1bc091174cb5d9cf889fce99 SHA-256: a042e32d53267c3728286f1ffdc5245bde2afa027329d7504ec2534789d47ce0
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to 'druttle.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, contains references to 'Weider power tower 200', suggesting a lure to entice users to click the malicious link.

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://druttle.ru/123?utm_term=weider+power+tower+200 PDF link annotation
    • https://cdn.sqhk.co/razulati/igdAuWt/18058678028.pdfIn PDF document text
    • https://cdn.sqhk.co/wuseguwe/iOgi4jf/10_000_dice_game_rules.pdfIn PDF document text
    • https://cdn.sqhk.co/mewedenemez/Agj6qva/68875619928.pdfIn PDF document text
    • https://cdn.sqhk.co/maxevurux/MgejgtW/run_2_unblocked_games.pdfIn PDF document text
    • https://cdn.sqhk.co/wefopijupe/8uEMigi/capture_the_flag_game_online.pdfIn PDF document text
    • https://cdn.sqhk.co/subogutaze/aqVacji/stress_management_definition_in_tamil.pdfIn PDF document text
    • https://cdn.sqhk.co/fujonexa/81hcDFU/world_war_2_timeline.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rawesaragegugar/wilazutebefanakuwafiwib.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubifirigevi/xizajoxigupijamikod.pdfIn PDF document text
    • https://s3.amazonaws.com/sedimeraxufi/tennis_player_dementieva_crossword.pdfIn PDF document text
    • https://s3.amazonaws.com/tinezedu/dikajiseb.pdfIn PDF document text
    • https://s3.amazonaws.com/jinabom/71577449276.pdfIn PDF document text
    • https://s3.amazonaws.com/vesubodufisi/answers_to_chapter_7_algebra_1_cpm.pdfIn PDF document text
    • https://s3.amazonaws.com/gekixadonuru/35149152703.pdfIn PDF document text
    • https://s3.amazonaws.com/kelukakeb/88893701869.pdfIn PDF document text
    • https://s3.amazonaws.com/kisimujuk/springfield_armory_xd_9mm_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/sabegokek/happy_birthday_wishes_for_friend_free.pdfIn PDF document text
    • https://s3.amazonaws.com/votuweroxigezog/copper_cooking_grill_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/valejafijufigo.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/13261383618.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://scripts.sil.org/OFLIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e54a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE54A 4912 bytes
SHA-256: f19982a4b196b80b91e96bc886dafc7e80f370a29668c1998e73de68821a5796
font_01_sfnt_off0000f630.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF630 10280 bytes
SHA-256: be560b3fe42885599d7da19b05c864e180326e3ebe2ad79c741810f7d5003bb5

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