Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f92f5b6c9e53056…

MALICIOUS

PDF

79.4 KB Created: 2021-03-20 08:43:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e1c6a6fcbd0ad8524d4846c5aa54c315 SHA-1: bbcfe3f746e16c708e7dc0dc9ea9092216ce8eea SHA-256: 2f92f5b6c9e530564bad170ed62d3202ad4d68c9e725901d1b7303e015b13e34
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or malware delivery attempt. Although no scripts were explicitly extracted, the presence of external URIs within a PDF is a common technique for initiating malicious downloads or phishing campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://pelibifir.ru/strik?utm_term=samsung+smart+tv+50+inch+price+in+lebanon
    • http://apparently-home.com/how_to_do_only_spin_in_lg_front_load_washing_machinedjeh3.pdf
    • http://limelusefi.iblogger.org/libujumivipubegeguvaj.pdf
    • https://cdn.sqhk.co/wefadegese/hcjfLig/bingo_halls_near_partick_glasgow.pdf
    • https://cdn.sqhk.co/kebubupoxiz/geRLgi2/76685594250.pdf
    • http://hookup756.fun/57718433169jxih1.pdf
    • https://cdn-cms.f-static.net/uploads/4502464/normal_601bb19872283.pdf
    • https://cdn-cms.f-static.net/uploads/4427267/normal_603d752fc3966.pdf
    • https://cdn.sqhk.co/tefegegesuxe/fhgdEja/copa_america_2020_argentina_colombia.pdf
    • https://kojemugolipoxo.weebly.com/uploads/1/3/4/7/134729864/nizovedig_zobotejikagiki.pdf
    • https://cdn-cms.f-static.net/uploads/4492536/normal_604fdbd67a08f.pdf
    • https://lixezakokigek.weebly.com/uploads/1/3/4/5/134596317/0ca8ca.pdf
    • https://gosabejeda.weebly.com/uploads/1/3/1/4/131453015/8993985.pdf
    • http://itgermany.net/how_to_set_plug_in_timern8pa2.pdf
    • http://instapodarok365.site/884552397205gxiq.pdf
    • http://tryraisins.club/66584994659wucnr.pdf
    • https://static.s123-cdn-static.com/uploads/4447460/normal_5fedff3e56fb6.pdf
    • https://cdn.sqhk.co/karadirimose/dgc1Gib/traffic_racer_cheats_ios.pdf
    • https://cdn.sqhk.co/nogorodizet/adFCwhg/claw_machine_stuffed_toys.pdf
    • https://pagevexositikul.weebly.com/uploads/1/3/5/3/135327712/dijosopusosutezu.pdf
    • https://surumovosutimu.weebly.com/uploads/1/3/4/7/134733284/9317304.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://ronufoju.epizy.com/cannibal_holocaust_2_full_movie_free.pdf
    • http://rosuronuvure.epizy.com/quadratic_equation_questions_and_answers_download.pdf
    • http://pewusufep.epizy.com/clover_install_guide_mojave.pdf
    • http://buzetewad.rf.gd/how_to_include_character_in_latex.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_off0000f449.bin
cfeab20afedc92ed74323a9b8df622dc3d76fa3cdd307ca3f3a03627828ee11a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF449 5916 bytes
font_01_sfnt_off00010845.bin
5cdfe5c6b957ad2698c876d39e2ac6a62fde6397ce40a5f0ab3e2a78a632b035		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10845 11224 bytes

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