Malicious PDF — malware analysis report

Static analysis result for SHA-256 64eef42f29b9f59a…

MALICIOUS

PDF

80.6 KB Created: 2021-02-17 04:58:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 753ff10ceeabc71793254a3110b35208 SHA-1: 0e86d76907fbdea6f30ea5cb1a633ad54c6a3891 SHA-256: 64eef42f29b9f59abeea60489bca90e0aa39fa0016cbaf984d772b6cf2facf35
126 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 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://seumenha.ru/aws?utm_term=cloistered+cleric+pathfinder+2e PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4490534/normal_60272fcaa20f8.pdfIn PDF document text
    • http://best-ital.fun/7454428840390p90.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472766/normal_60163b5a9e733.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372371/normal_5fe05f70e36d6.pdfIn PDF document text
    • http://originalhallyu.com/344695885433mnl8.pdfIn PDF document text
    • http://twirlini.com/duzunelatiwudumqziuh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386595/normal_602bdeb2e1bbb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368740/normal_602abf375632f.pdfIn PDF document text
    • http://probkin34.xyz/60940981480cjkek.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461777/normal_60226ec025312.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457296/normal_60036b404329a.pdfIn PDF document text
    • http://legendarycraft.ru/bacaan_surat_yasin_dan_tahlilwshkt.pdfIn PDF document text
    • http://idealicaitalia-ufficiale.site/konimamekoderhd5ez.pdfIn PDF document text
    • http://creditscoreusa.info/285343310104lu2q.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422640/normal_60261cf89def2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/dorulusof/javomunusalotupelu.pdfIn PDF document text
    • https://s3.amazonaws.com/pezofut/pip_camera_photo_effect.pdfIn PDF document text
    • https://s3.amazonaws.com/davolazupivowi/alternative_minimum_tax_form_2018.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_off0001006a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1006A 5280 bytes
SHA-256: ee02dfed82472c655a76d4c67d1f8c194f305fd2859b72065874d14aae61457d
font_01_sfnt_off00011254.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11254 10236 bytes
SHA-256: 1f74aa61729d4555d3e2dc97a6a0ef13ef2e9458ce166dd075569f4de00e84e4