Malicious PDF — malware analysis report

Static analysis result for SHA-256 65bbf9f51fcb5b1f…

MALICIOUS

PDF

69.1 KB Created: 2021-02-14 18:47:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 1d493da5f052b84e904b616b2bbc5857 SHA-1: f8ecb269477014280b86c359601fcd306ce2b766 SHA-256: 65bbf9f51fcb5b1fb3e1d476c455af7937cf25b73d94273d5e36a0071f08feb5
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://druttle.ru/wb?keyword=tsc%20ta210%20barcode%20printer%20driver PDF link annotation
    • https://cdn.sqhk.co/lawafopugu/ijOhfgd/best_irish_craft_beers_2019.pdfIn PDF document text
    • http://dithetsen.xyz/berekenen_bmi_formule8qnem.pdfIn PDF document text
    • http://idealicaufficiale.website/35531648644c5zoq.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463298/normal_600d8aca504e4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380890/normal_5fc61c9dcc3e1.pdfIn PDF document text
    • https://cdn.sqhk.co/woteruzid/ghaCjbp/xunotojojujipurumekusira.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465252/normal_5fdf1c3e435eb.pdfIn PDF document text
    • https://cdn.sqhk.co/posuwumujome/a1x6OC7/crack_shooters_crossword.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455196/normal_602094b72c73d.pdfIn PDF document text
    • https://cdn.sqhk.co/pigajifaw/iejjidm/35714272382.pdfIn PDF document text
    • https://cdn.sqhk.co/pezolaje/iidyJ5I/27138216466.pdfIn PDF document text
    • http://helpcenter.business/w3schools_html_tutorialcww5r.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xeravujowa.epizy.com/jozuzebizabezetejaruvuj.pdfIn PDF document text
    • http://xazitew.epizy.com/bts_billboard_2018_full_performance.pdfIn PDF document text
    • http://fikojadepo.rf.gd/84189520303.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_off0000d127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD127 5508 bytes
SHA-256: 6a98f8da86f841beaf82b95651f5fde257b939d4b677a9b6249ea20fa42efb42
font_01_sfnt_off0000e3f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3F6 10456 bytes
SHA-256: 907ce2775603738840b03a2dae76b154e2b3b24807011549d194aff42e10a357