Malicious PDF — malware analysis report

Static analysis result for SHA-256 72e35e4b9f3e7d2a…

MALICIOUS

PDF

71.4 KB Created: 2021-02-27 10:57:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 02cae7eeab7c70e3838bdb2057f4d016 SHA-1: 3c24cd26b5cba38e4cec0f7ebdda6baf7e85cac4 SHA-256: 72e35e4b9f3e7d2a620c62761603c41b226fae955f2920f67180f888997b424b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/wix?keyword=eastern+body+western+mind+pdf+free PDF link annotation
    • https://bulugigedi.weebly.com/uploads/1/3/4/7/134714886/2a561f4bb.pdfIn PDF document text
    • https://cdn.sqhk.co/rorezina/ahijhOA/14917405289.pdfIn PDF document text
    • https://cdn.sqhk.co/feguzuvubut/GZihAji/silajobonegejenekarenitu.pdfIn PDF document text
    • https://wawanuxofidote.weebly.com/uploads/1/3/0/7/130775818/19598a02dc.pdfIn PDF document text
    • https://cdn.sqhk.co/pinufizugal/jierhe9/retro_collection_star_wars_2020.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367301/normal_600b64378911e.pdfIn PDF document text
    • https://cdn.sqhk.co/xagaxubibiz/iiBhjOI/61262891726.pdfIn PDF document text
    • https://cdn.sqhk.co/nuwalimo/hbgLzou/bodusazusanexerigamivo.pdfIn PDF document text
    • https://cdn.sqhk.co/gilubibawi/jcJjazP/jungle_run_lost_temple_mod_apk_download.pdfIn PDF document text
    • https://cdn.sqhk.co/vilomikov/ijE6VM3/27578443385.pdfIn PDF document text
    • https://gupamawuma.weebly.com/uploads/1/3/4/6/134602371/lesezavekusis.pdfIn PDF document text
    • https://dipabuxirakilat.weebly.com/uploads/1/3/1/0/131071076/rupoxumag_zuvagavef_niraxape_kopofow.pdfIn PDF document text
    • https://kedixomavej.weebly.com/uploads/1/3/4/0/134017366/7180658.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/libosokune/bakobinosesegitebun.pdfIn PDF document text
    • https://s3.amazonaws.com/fusidejebi/13320007735.pdfIn PDF document text
    • https://s3.amazonaws.com/mefadedosuw/321_classic_media_player_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/bodajaku/bink2w64._dll_windows_7_64_bit.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_off0000da65.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA65 5448 bytes
SHA-256: cb4432919ff07ef2d93dbe3dfcf4d89a9a0e4ee50c7c5765ff3ce089f7667783
font_01_sfnt_off0000eced.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECED 10300 bytes
SHA-256: b8d81c827849739abb96c2ac9836c2384061c8377ff8e28ef0b783b7d7ee863b