Malicious PDF — malware analysis report

Static analysis result for SHA-256 f299fa3b8c96e061…

MALICIOUS

PDF

76.5 KB Created: 2021-03-05 00:09:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 14c811c4c5beb6d69dfc629c675082f8 SHA-1: de8f72bd103d65065f064735ebdf5cfd11c36faa SHA-256: f299fa3b8c96e061f210cb35548ddff000a3a06adb273a19575c03bcc2365c47
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://nipisod.ru/award?keyword=2003+honda+accord+door+parts+diagram PDF link annotation
    • http://wugumonisukanib.sportsontheweb.net/perifexafujovijobaj.pdfIn PDF document text
    • http://izzzaaa.space/22067504269gt4cw.pdfIn PDF document text
    • http://helplnstagramcontact6088756.com/how_to_install_racemenu_for_sse6sm09.pdfIn PDF document text
    • http://introdom.ru/sawelijataperamivugfb15o.pdfIn PDF document text
    • https://cdn.sqhk.co/sadopore/hTieia6/xakuzudonu.pdfIn PDF document text
    • https://cdn.sqhk.co/sedazozesufu/gekjSsK/73441063209.pdfIn PDF document text
    • http://paxezimusosesa.scienceontheweb.net/que_significado_tiene_la_estrella_de_david_en_la_biblia.pdfIn PDF document text
    • https://xosufovopoxom.weebly.com/uploads/1/3/5/2/135298930/0ded8306041f.pdfIn PDF document text
    • https://xajixaze.weebly.com/uploads/1/3/2/3/132302973/b09445.pdfIn PDF document text
    • https://cdn.sqhk.co/gelowidabik/w62hjm7/dagasafenarivami.pdfIn PDF document text
    • https://cdn.sqhk.co/rilixuzewiv/hbgiMIL/shape_rush_infinity_running.pdfIn PDF document text
    • https://cdn.sqhk.co/dazulegug/epszehd/soccer_manager_2020_football_management_game_mod_apk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://d8acad56-eb9a-42d1-a06c-a695c5b02328.filesusr.com/ugd/0ad6c7_02635b5c61ad4fc1a457a3156223d536.pdf?index=trueIn PDF document text
    • https://1f571a09-6495-4108-bd1a-9715deae29b5.filesusr.com/ugd/b0bf26_1768fff4c61348bf8e3c5d8311298a04.pdf?index=trueIn PDF document text
    • https://ee6bc897-aa08-459d-b6e6-b1b1d69fcba1.filesusr.com/ugd/7ba596_4a4bcd3263554cbc8f6b1bfc30cb778c.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/a1f13af6-0b50-4a17-bf59-1867e92c09cf/c_identifier_rules.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44dd06eb-8305-4600-9a18-bda55b83ab9c/xadaxakuzudivobuwadutuxe.pdfIn PDF document text
    • https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_606f079a47c04017b2ee336860d292e5.pdf?index=trueIn 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_off0000ed37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED37 5796 bytes
SHA-256: de6641cb9e124e6b159c3fe0322b41ad99b331dc6acf27cd7229cccbf99f2f15
font_01_sfnt_off000100c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100C5 10520 bytes
SHA-256: 23c91dd0be77979d71f99dca8bb70c0ff97cfb3c21a4e911ba670cfd6c5489fe

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