Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd17d04a930c2c43…

MALICIOUS

PDF

73.8 KB Created: 2021-01-03 01:42:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: ed78e02600142921b797131c60587b07 SHA-1: 44827e94ecf8320e39bc20509805cdeeb207f9c4 SHA-256: fd17d04a930c2c43bc3ac463b91cb1c8c267e7faa82cc6084dda9364419bb8ae
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://trafffe.ru/123?utm_term=google+docs+border+template PDF link annotation
    • https://fixubosadad.weebly.com/uploads/1/3/4/6/134658154/f382d69576d6e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409814/normal_5fdb9e724f222.pdfIn PDF document text
    • https://buxexemap.weebly.com/uploads/1/3/4/8/134890763/3634757.pdfIn PDF document text
    • https://cdn.sqhk.co/kezixowog/NrigNha/pexokavububadafuzomuguge.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/pululusodogi/cardiac_tamponade_management.pdfIn PDF document text
    • https://s3.amazonaws.com/wizitifowubux/57496422091.pdfIn PDF document text
    • https://s3.amazonaws.com/vogubivajavofu/win_tickets_to_one_direction_tour.pdfIn PDF document text
    • https://s3.amazonaws.com/wukara/opioid_crisis_va.pdfIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/great_white_death_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/dixaleko/powitabujew.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/55382859704.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/gartner_firewall_report.pdfIn PDF document text
    • https://s3.amazonaws.com/vajefam/edirol_orchestral_vst_free_mac.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cf68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF68 5200 bytes
SHA-256: d9c4e6b4be94fb7ac12d469702ba6d5b10d50e409c847fb8bede41e4f83dc016
font_01_sfnt_off0000e113.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE113 13748 bytes
SHA-256: d00460aae0244050102ff20f026316ba17f50a66101cee75a88226496626bdfc
font_02_sfnt_off00010c83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C83 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3