Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbd0928788a29016…

MALICIOUS

PDF

70.5 KB Created: 2021-03-06 13:26:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 75723d902f8794993fd10e7acfffb2ef SHA-1: 8053c3080b6af7e5a90d4d586ee39252e2671380 SHA-256: fbd0928788a29016c016fe954fe542935b6bdaa45d09c5714d32f9b8bab4d206
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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
  • 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/award?keyword=coleman+dual+fuel+lantern+parts+uk PDF link annotation
    • https://cdn.sqhk.co/xonipavu/1hahHZU/xbox_one_x_specs_vs_ps4_pro.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421336/normal_5ff19657aacf6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467612/normal_5fe7ff4ca519d.pdfIn PDF document text
    • https://cdn.sqhk.co/kovajivika/c9ntShj/44695553404.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449783/normal_60382e1b3edd3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4391903/normal_5ffe123b52426.pdfIn PDF document text
    • https://cdn.sqhk.co/sujubowip/hdighie/sports_connection_ballantyne_summer_camp.pdfIn PDF document text
    • https://cdn.sqhk.co/lexebogefaj/5BhbHs7/cut_the_rope_free_hack_game.pdfIn PDF document text
    • https://cdn.sqhk.co/dogilijesiwu/lh2PjjG/mebosazuxukeladag.pdfIn PDF document text
    • http://rowomonug.mywebcommunity.org/adobe_premiere_pro_apk_download_uptodown_android.pdfIn PDF document text
    • https://cdn.sqhk.co/sevigexew/UjeihyM/67256147322.pdfIn PDF document text
    • https://cdn.sqhk.co/wutalididow/TmheLOh/ghouls_n_ghosts_mobile.pdfIn PDF document text
    • http://manovina.mypressonline.com/2012_grand_cherokee_overland_value.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/zetituri/free_excel_budget_templates.pdfIn PDF document text
    • http://nuluwajewugutik.onlinewebshop.net/cul_es_la_dosis_de_metronidazol_para_adultos_250mg.pdfIn PDF document text
    • https://s3.amazonaws.com/tosevud/55746347013.pdfIn PDF document text
    • http://benamow.myartsonline.com/autocad_2020_official_website.pdfIn PDF document text
    • https://s3.amazonaws.com/tobovunoberiki/bitdefender_total_security_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/wivunonovef/41305570135.pdfIn PDF document text
    • https://s3.amazonaws.com/zuguvoxoki/topeperebovuxaxarebusas.pdfIn PDF document text
    • http://sinusudixuxuwad.atwebpages.com/86891531778.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d596.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD596 5156 bytes
SHA-256: dd7317b143c94c54b3304f517d91b8080c4e2bb9d8091d6101e6d3e5c227c5d9
font_01_sfnt_off0000e706.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE706 11716 bytes
SHA-256: bb4de7e2510377adbae4d507deb058168000206a194411319c22abe02fe89dbb

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