Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6e625d48ede4336…

MALICIOUS

PDF

83.4 KB Created: 2021-03-16 05:41:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 137563af7251f59db0a34749dd677cc6 SHA-1: d48420180a27705be48c50ae7d43b898487f903c SHA-256: b6e625d48ede43366ee6683bb844fb38872574d55b1c12050a42788ba59987aa
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL, 'https://xezojetit.ru/wix?keyword=gta+5+apk+mobile+mod', suggests a phishing or social engineering lure, likely to trick users into downloading a fake application. While no scripts were explicitly extracted, the PDF format can embed JavaScript, which could be used to facilitate the download or exploit vulnerabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xezojetit.ru/wix?keyword=gta+5+apk+mobile+mod
    • http://zonerokemub.getenjoyment.net/how_to_cut_triangles_for_a_quilt.pdf
    • http://thehensleys.org/bubiduripafucyrns.pdf
    • http://guitar.su/kozefibufavuzargkoj4.pdf
    • http://dirozigumifew.scienceontheweb.net/tableau_online_tutorial_youtube.pdf
    • http://epipog.com/robetisiginenive3be.pdf
    • http://alsamcctv.com/tetegijogumefulnr.pdf
    • http://fanisore.sportsontheweb.net/newisit.pdf
    • http://milanbeach.fun/2003_ford_focus_zx5_batteryxdu4d.pdf
    • http://idealicaufficiale.website/podatorilogovokegiwuzo74ac.pdf
    • http://outputqwvk.space/94015030315rh2y.pdf
    • http://nout-prodat.site/pofesilojurotuwapiqbrs.pdf
    • http://gelchlen.fun/give_me_liberty_chapter_23_outline8ps4c.pdf
    • http://pugorot.mygamesonline.org/karnataka_assembly_election_2020_bjp_candidate_list.pdf
    • http://gobitujesan.scienceontheweb.net/washington_dc_metro_system_map.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/zuses/nojepokito.pdf
    • http://kadizilurojiniz.onlinewebshop.net/matter_and_interactions_volume_2.pdf
    • https://s3.amazonaws.com/wumodukubaru/38988137876.pdf
    • https://s3.amazonaws.com/vuliwisuwig/business_english_vocabulary_flashcards.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_off0000ee6c.bin
bb9e1d8cd226bee17484721af5a7f3a8796a5e7724f52ddcc0acb77d6ffd9629		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEE6C 4872 bytes
font_01_sfnt_off0000ff0e.bin
dbf74a7db4eff1e94532d601f364a72263648ea0f8ea0e1a8ec317b4912cb60c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF0E 16168 bytes
font_02_sfnt_off000130d9.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x130D9 4324 bytes

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