Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e18d530e8787a3e…

MALICIOUS

PDF

68.1 KB Created: 2021-02-24 22:26:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 68c5530972d613094c63891a5196d668 SHA-1: b13f0dc2d198af7306dea95714e74eac76f730b5 SHA-256: 1e18d530e8787a3e232253d09dedbb20df9ffc55fd8963656d63007bc0761260
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://seumenha.ru/award?keyword=hotpoint+gas+range+oven+igniter PDF link annotation
    • https://pagowabelada.weebly.com/uploads/1/3/0/8/130874520/44f3dc922e1fe0.pdfIn PDF document text
    • https://kebokezuzak.weebly.com/uploads/1/3/5/3/135318209/pizazuv.pdfIn PDF document text
    • https://malekijewa.weebly.com/uploads/1/3/0/8/130813883/giforovanezonisomefu.pdfIn PDF document text
    • https://lefamadagizid.weebly.com/uploads/1/3/4/7/134704745/7613907.pdfIn PDF document text
    • https://cdn.sqhk.co/pedidagow/hgzifhf/horror_wallpapers_iphone.pdfIn PDF document text
    • http://wacc-cat.org/aadhaar_software_for_pcyge9m.pdfIn PDF document text
    • https://jukejifoka.weebly.com/uploads/1/3/5/3/135311866/a69e4c4bb2c878.pdfIn PDF document text
    • http://safijejog.mygamesonline.org/kosal.pdfIn PDF document text
    • https://cdn.sqhk.co/benibavagoge/MHRjdhd/68488412520.pdfIn PDF document text
    • https://cdn.sqhk.co/wesaduleb/QjgaggY/world_war_2_frontline_commando_download.pdfIn PDF document text
    • http://wapividazofar.scienceontheweb.net/73861234726.pdfIn PDF document text
    • http://esclick.pro/xidukirm5ko.pdfIn PDF document text
    • http://securityverifiedservices.com/tartine_bread_book_freel58qp.pdfIn PDF document text
    • https://bumogekatagod.weebly.com/uploads/1/3/0/7/130776321/57b3c483596e.pdfIn PDF document text
    • http://tijudozi.scienceontheweb.net/riwisinunepivom.pdfIn PDF document text
    • https://cdn.sqhk.co/jifigetuxu/iiTi7hc/boku_online_bibliothek.pdfIn PDF document text
    • http://shop-onlain.fun/learning_theories_simplified_bob_batesbkxhn.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/bamepofewalada/tokeruzotovevapakodojef.pdfIn PDF document text
    • https://s3.amazonaws.com/ropidadegaxut/file_from_sftp_server_using_vb._net.pdfIn PDF document text
    • http://gosaduzunake.myartsonline.com/how_can_i_check_my_check_engine_light_code_without_a_scanner.pdfIn PDF document text
    • https://s3.amazonaws.com/sedowedi/8846110878.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_off0000d0d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0D3 4976 bytes
SHA-256: b45901c774b7431e80ab5ced223d75baa83f8fbafa3ed47e04eb25bf519621ce
font_01_sfnt_off0000e1da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1DA 9864 bytes
SHA-256: b7c13aed47d2f216d598d674934da37d7f47e58936a5e0cc76db6ad96aaf2b31

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