Malicious PDF — malware analysis report

Static analysis result for SHA-256 17dd4be030528a61…

MALICIOUS

PDF

62.6 KB Created: 2021-02-14 20:58:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: f3d73432db495ab0757c0bda259d0918 SHA-1: 483135b46c2dfbc65136ab6c23b6d799348e7185 SHA-256: 17dd4be030528a6122245903ae841550e48aa3187fd31a6c721ecf4876f72331
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jacksth.ru/wb?keyword=febreze%20air%20freshener%20sds%20sheet PDF link annotation
    • http://dostafood.xyz/22879760833epsy0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410199/normal_60007e2cd77eb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450730/normal_5fcb78bb2fdf7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447641/normal_5ff3001c79cf5.pdfIn PDF document text
    • http://lienforkid.com/mtg_first_strike_deathtouch_rules45yza.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475565/normal_5fe3815758c85.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4500893/normal_602149f4ae7e7.pdfIn PDF document text
    • http://fitojijumuta.22web.org/maha_bhaktha_siriyala_naa_songs.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://novoniranalisa.epizy.com/gitalesibisilobeliwirik.pdfIn PDF document text
    • http://busilumun.rf.gd/6468632126.pdfIn PDF document text
    • https://s3.amazonaws.com/rodiligarexo/kaspersky_antivirus_2019_trial_version_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwotarotavuz/fidetulokegerawawe.pdfIn PDF document text
    • http://pikigefunix.epizy.com/hindu_calendar_2019_thakur_prasad.pdfIn PDF document text
    • https://s3.amazonaws.com/vufupu/reference_sheet_for_math_6-_8.pdfIn PDF document text
    • http://xuwugufufokiti.epizy.com/59480118511.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_off0000b944.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB944 5108 bytes
SHA-256: 19ac3ac1993bbd8a21d5de11aa5b10dc01bd940ee6fe02a18e40d1abb75464c0
font_01_sfnt_off0000caa4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAA4 10300 bytes
SHA-256: dfa6bd7c63bf5f9cb62cd7215a512a30d24d5dfcf0edabd32a061db14b7a693f