Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d040dfa65b043c8…

MALICIOUS

PDF

71.8 KB Created: 2021-02-28 11:49:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 3b7b771c483a94f014d620685220e3e8 SHA-1: 8201e13c05ccd876ccdfc90447a4c68e683fefec SHA-256: 3d040dfa65b043c85e545b72322d64337512e2d65eb02d4d7e8da435fa321ebd
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://soxebez.ru/wix?keyword=getting+over+it+save+file PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4475572/normal_601b2e217bd7d.pdfIn PDF document text
    • https://cdn.sqhk.co/tipusuzog/gxgj9ia/equalizer_apple_carplay.pdfIn PDF document text
    • https://cdn.sqhk.co/tudenireso/cjixhnA/xeriwegikumiwifin.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419836/normal_60246b3ee2f76.pdfIn PDF document text
    • https://cdn.sqhk.co/mudifuto/digizje/varuburamimikakosew.pdfIn PDF document text
    • https://cdn.sqhk.co/jimumakevaji/aiija5V/33984810509.pdfIn PDF document text
    • http://hookup671.site/what_is_the_rarest_eye_color_for_blondes5f3zf.pdfIn PDF document text
    • https://cdn.sqhk.co/doxurozupu/hahbmbT/lodumosi.pdfIn PDF document text
    • http://mklhhhh.space/baldurs_gate_dark_alliance_gba_manual5wres.pdfIn PDF document text
    • https://cdn.sqhk.co/dodipenameki/ghGahb7/paradise_island_adventure_golf_intu_derby.pdfIn PDF document text
    • http://fivogudog.iblogger.org/uc_browser_free_nokia_x2.pdfIn PDF document text
    • http://mesretly.xyz/99695892910f4qo4.pdfIn PDF document text
    • http://fashion-deals.xyz/pikixaloloxomajif1c47.pdfIn PDF document text
    • http://idealslimitalia-ufficiale.site/29507274903dqg5p.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lirolisol.epizy.com/39356244271.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_off0000deae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEAE 5024 bytes
SHA-256: b16a71fda5b2c0e002f8b0aee4aacb339e8201fe5f6f80a7cd70021f6ac17492
font_01_sfnt_off0000efe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFE5 10152 bytes
SHA-256: 8531c3c1d84af6cbbbfe10c7742992c1e4404b2b1bfc993c281a8593f886736b