Malicious PDF — malware analysis report

Static analysis result for SHA-256 0f7b7777a8a527ab…

MALICIOUS

PDF

70.1 KB Created: 2021-03-09 00:10:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 7f8bedae5f3878d3ac1a7931f548d0e3 SHA-1: 7f8434417521032d3bc467c5fc668434109982e8 SHA-256: 0f7b7777a8a527abc14772c34efd783217e0efec2f7909315a53610f2c6f679d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://ponafet.ru/wix?keyword=total+gym+ultra+manual PDF link annotation
    • https://cdn.sqhk.co/dasadogiso/2Agjvja/rayman_jungle_run_mod_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/niripakexad/hdjjmii/48416451561.pdfIn PDF document text
    • http://nojagemegoxeda.22web.org/password_manager_for_apple_and_android.pdfIn PDF document text
    • http://lenuvivureropi.scienceontheweb.net/garmin_vivofit_3_reset_after_battery_replacement.pdfIn PDF document text
    • http://poxumanavofeboz.scienceontheweb.net/96916139920.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473916/normal_5fcbbe1e8a633.pdfIn PDF document text
    • http://jaxagogilexet.sportsontheweb.net/how_does_starbucks_work_during_covid.pdfIn PDF document text
    • http://yognat.space/financial_affidavit_form_florida_child_supportb5cyt.pdfIn PDF document text
    • https://cdn.sqhk.co/rekutadis/fhlZR9x/spiral_roll_weave_hairstyles.pdfIn PDF document text
    • http://fruktovik.com/digital_design_and_computer_architecture_free_download5uq1f.pdfIn PDF document text
    • https://cdn.sqhk.co/pajokiman/dxWkhdK/fopoladesatagopo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382627/normal_5fddc0a65af14.pdfIn PDF document text
    • http://youralteragoods.com/does_gdp_measure_economys_income0it9j.pdfIn PDF document text
    • http://info-pages.ru/46367729459ibu1l.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402724/normal_60172171671ff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413240/normal_5fdbb597839b0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377371/normal_60216413772c2.pdfIn PDF document text
    • http://moymagazin.xyz/birufulopasanepuzurutihdsdz.pdfIn PDF document text
    • https://cdn.sqhk.co/nomazotesi/9aghhjZ/block_puzzle_jewel_pc_indir.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sitafefisoju.atwebpages.com/mojozunoxabaw.pdfIn PDF document text
    • http://segurixuzek.myartsonline.com/printable_empty_periodic_table_of_elements.pdfIn PDF document text
    • http://rofuvawitarul.atwebpages.com/why_is_my_john_deere_mower_not_starting.pdfIn PDF document text
    • http://razujefipuwix.rf.gd/is_there_a_white_belt_in_six_sigma.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_off0000d885.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD885 4880 bytes
SHA-256: b48409946b831e3b9f0a784284f97c5669b25cc090bcb613556079e7432f7f66
font_01_sfnt_off0000e911.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE911 9872 bytes
SHA-256: 35be32b3504a3964cd0a77494825e13621228c87c19fd8d9cf9c40d2b5179dd2

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