Malicious PDF — malware analysis report

Static analysis result for SHA-256 14d1a800999047f6…

MALICIOUS

PDF

70.0 KB Created: 2021-03-05 02:28:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 3b4ab049ead08e47485937560baa4132 SHA-1: 9e280c5fe0dc012ec5fec7524acbe86baaa9ec1a SHA-256: 14d1a800999047f6b7c15aafaaa8325a3409b18bdb94b943c68f87fec5dbc846
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://druttle.ru/award?keyword=is+shield+hero+over PDF link annotation
    • http://polikarmonolit.ru/99998714662jzo7a.pdfIn PDF document text
    • http://natorg.fun/rejesapipeduozu.pdfIn PDF document text
    • http://huseyincanx.com/174435747072uotn.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418579/normal_602e9cd27dea6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444096/normal_60373db9f30fc.pdfIn PDF document text
    • http://dimax.website/color_bump_3d_online_unblocked8h2by.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403428/normal_5ffbbb434e5a3.pdfIn PDF document text
    • https://cdn.sqhk.co/leluforeref/hggjgy9/gotapek.pdfIn PDF document text
    • http://axacheat4.xyz/jomegobijotajofasotafokenpomka.pdfIn PDF document text
    • https://cdn.sqhk.co/luwivimexu/jdJhhha/nuclear_weapon_examples.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377938/normal_600dc61c4303a.pdfIn PDF document text
    • http://itwow.info/batman_the_dark_knight_rises_mod_apko3om3.pdfIn PDF document text
    • http://samo-katim.ru/oster_blender_food_processor_attachment_partsoebo1.pdfIn PDF document text
    • https://cdn.sqhk.co/loganidob/hd1Vcgf/flying_bird_game_instagram.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479675/normal_5fdbfe0019173.pdfIn PDF document text
    • http://aycotoro0.xyz/arma_3_altis_life_rebel_guidexowi8.pdfIn PDF document text
    • http://ctyr.ru/ice_sheets_growingopbga.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/09387a90-c115-4a20-b84e-5a6f40fb447f/7819435752.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e40e1a76-fddb-42d3-bbea-5d09380249f4/tecnicas_e_instrumentos_de_recoleccion_de_datos_definicion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c23eed4b-5a61-4096-9d46-cea48862d09e/calories_in_taco_bell_mild_sauce.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c86a022-5edb-4500-906e-ea6aac6508c7/bedexipi.pdfIn PDF document text
    • https://s3.amazonaws.com/tetofamuxulil/lagu_lily_dj.pdfIn PDF document text
    • https://s3.amazonaws.com/jafujasiwetid/games_like_ameba_pico_for_android.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_off0000d918.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD918 4700 bytes
SHA-256: 4d8b62533bef93ff3492ffa4280268159142e06974e80c72010d3f84958acd1a
font_01_sfnt_off0000e90e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE90E 9876 bytes
SHA-256: 21f44ba6cb69f9f27673d6ff0157b8e9566909b422a5b3f317bc8d246999a2f2

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