Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c00c25a408273b1…

MALICIOUS

PDF

70.2 KB Created: 2021-03-04 11:36:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 58aba95cd01e57bcc7b9a9428c34c505 SHA-1: 9d27fa3486b10b919e2bce967b81cdb8d97bef91 SHA-256: 2c00c25a408273b19e5570cbde1557122a9f6cbed59b24274da52baaa328e37e
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://jacksth.ru/award?keyword=lincoln+ac+225+welder+for+sale PDF link annotation
    • https://voruvagozi.weebly.com/uploads/1/3/4/7/134742827/lixave.pdfIn PDF document text
    • http://digitalcalakk1.xyz/71335457329b1d2z.pdfIn PDF document text
    • https://mojavewebodaraz.weebly.com/uploads/1/3/1/1/131163943/cdae8b.pdfIn PDF document text
    • http://vamekujo.66ghz.com/vusubitugekizetakobo.pdfIn PDF document text
    • http://beautysale.site/tet_key_answer_sheet_2018vwec9.pdfIn PDF document text
    • http://dk-inc.xyz/77638265205zc5ug.pdfIn PDF document text
    • https://vusimipemukebev.weebly.com/uploads/1/3/0/8/130814393/libegobiv-tiravakagunabo-kivubeboxuv-rolagafatizu.pdfIn PDF document text
    • http://gakawisogafuga.mygamesonline.org/27235708596.pdfIn PDF document text
    • http://lami-lashes.site/cardiopulmonary_bypass_and_anaesthesiawnvof.pdfIn PDF document text
    • http://xtina.online/harrisons_principles_of_internal_medicine_19th_edition_referencesqq0i.pdfIn PDF document text
    • http://nesobaka7.xyz/bardo_pond_amanitaugeyq.pdfIn PDF document text
    • http://makeyourself.xyz/the_summary_of_oedipus_rex_by_sophoclesqsank.pdfIn PDF document text
    • http://proba7.xyz/toshiba_blu_ray_playero3lff.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d500.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD500 5304 bytes
SHA-256: dd19bc7440123d70b24540cd72988eef27c1aacc4e427691349158a95a0432af
font_01_sfnt_off0000e73e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE73E 10892 bytes
SHA-256: 4c02a07dd043138d21302f344fbe202541118c5840942d2fb4675cf8cb927b5c