Malicious PDF — malware analysis report

Static analysis result for SHA-256 69037ca4310c52d9…

MALICIOUS

PDF

75.0 KB Created: 2021-03-02 18:21:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 3471e442e74d247bf891567a769fcb5c SHA-1: 2387aa5ef56e7fdfba4252331f252a92da7a9ca0 SHA-256: 69037ca4310c52d9e6b9ee0ff39c235cdddce54d88c51275db1631c54dcfe30f
124 Risk Score

Malware Insights

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

The PDF file contains numerous embedded URLs, many of which point to disposable domains or link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a Quran translation search, designed to trick users into visiting the malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://ponafet.ru/award?keyword=quran+tamil+translation+word+by+word+pdf PDF link annotation
    • https://cdn.sqhk.co/fojevimexu/fVgiM7Y/pufaboz.pdfIn PDF document text
    • https://pujawemufupu.weebly.com/uploads/1/3/2/6/132680931/dizowemewetegidowel.pdfIn PDF document text
    • http://wiinorama.space/star_wars_battlefront_2_pc_steamj5gfz.pdfIn PDF document text
    • https://xidamosu.weebly.com/uploads/1/3/4/7/134707329/biwojipiwil_xedavukapajebeb_sibejibobesise.pdfIn PDF document text
    • https://cdn.sqhk.co/givesaxi/hfagcGk/shoot_bubble_fruit_splash_how_many_levels.pdfIn PDF document text
    • http://copyright-help-report.com/lonutavixooqq5n.pdfIn PDF document text
    • https://cdn.sqhk.co/bipujawojeli/ijc4Mhb/78272263162.pdfIn PDF document text
    • https://cdn.sqhk.co/bidomutarili/ijcZ5w5/73879614532.pdfIn PDF document text
    • https://ponejibuwefugep.weebly.com/uploads/1/3/4/8/134879986/zisapux_xudixebamixa.pdfIn PDF document text
    • https://talipugetajizan.weebly.com/uploads/1/3/4/8/134862074/ketidewaji-pizirofa-fuzogilivoke-sonajojawulu.pdfIn PDF document text
    • https://bixavovene.weebly.com/uploads/1/3/0/7/130775743/jozufuduvomufepa.pdfIn PDF document text
    • http://jakartapro.xyz/420121489jw4q9.pdfIn PDF document text
    • https://cdn.sqhk.co/tabuguran/hiCHkj8/art_therapy_interventions_for_addiction.pdfIn PDF document text
    • https://vaturelola.weebly.com/uploads/1/3/4/7/134704713/pugutuvobuwofit.pdfIn PDF document text
    • http://tehnotop.site/buzogivavozutlddg.pdfIn PDF document text
    • http://jobware.pro/how_many_calories_are_in_a_medium_iced_coffee_from_dunkin_donutsczfvx.pdfIn PDF document text
    • https://gadufekovofu.weebly.com/uploads/1/3/4/7/134764592/ed9c1772fb6.pdfIn PDF document text
    • http://blog-millionaire.buzz/vuzitezogipenibavz32us.pdfIn PDF document text
    • https://befawiboper.weebly.com/uploads/1/3/5/3/135389238/nebukijimekodipajuw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ff4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF4C 5344 bytes
SHA-256: d8e32624abffb982b4f7879f996623ab8abf888c38d3608cbf0d39bd3d4442ca
font_01_sfnt_off0001115a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1115A 9308 bytes
SHA-256: b0fbfcc15ddb33d81ff2212d50e16aa2a9733b07bcf3956a3e6fbd64166b08f1

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