Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bc921f34fe227a5…

MALICIOUS

PDF

76.4 KB Created: 2021-02-07 21:16:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: af302b0092d32a56f7aeb0e6de955542 SHA-1: 68414a05e72dfbfa01533352e869aafdc7738944 SHA-256: 0bc921f34fe227a5d7da92b5e9537a826d02e3eca28a179ccbecf90bceec80db
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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.
  • 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://maypoin.ru/aws?utm_term=guidebook+to+relative+strangers+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4488572/normal_600f0dbf77183.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496372/normal_5ffca1277dd29.pdfIn PDF document text
    • http://worigozuwujuva.iblogger.org/pelukanevegipejafawo.pdfIn PDF document text
    • https://kaxawoxo.weebly.com/uploads/1/3/1/0/131070710/newubarorazazosesi.pdfIn PDF document text
    • https://gejosubirimo.weebly.com/uploads/1/3/0/7/130776575/a93198.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477913/normal_601559ad96976.pdfIn PDF document text
    • https://senevabitup.weebly.com/uploads/1/3/4/2/134234896/947e0a55034783a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411270/normal_5ff8b853ab600.pdfIn PDF document text
    • http://zakilifawurafed.22web.org/47128862216.pdfIn PDF document text
    • http://nanolenka.xyz/4842799825gz6w1.pdfIn PDF document text
    • https://xuxijoma.weebly.com/uploads/1/3/3/9/133997678/wujuxudinabidulute.pdfIn PDF document text
    • https://noparageselex.weebly.com/uploads/1/3/1/8/131856757/puxurukevagef_buzalemiketana.pdfIn PDF document text
    • http://fitokaps.xyz/technology_education_certification_practice_testvdurz.pdfIn PDF document text
    • https://worijuxadije.weebly.com/uploads/1/3/4/8/134863955/fapuvimusej.pdfIn PDF document text
    • http://midorezif.iblogger.org/83336591459.pdfIn PDF document text
    • https://simisasokudu.weebly.com/uploads/1/3/4/2/134235492/f3b6d50da5259.pdfIn PDF document text
    • https://wixevilit.weebly.com/uploads/1/3/4/8/134873569/siriwumum_nepol_texuz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://paritoxo.rf.gd/nomao_camera_application_apk.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_off0000ec8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC8E 5504 bytes
SHA-256: 43e614f480e4da785ed8fd4edcbb2beab868273ab2f44d273bad208b3c7a0100
font_01_sfnt_off0000ff5f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF5F 10816 bytes
SHA-256: a64dc480fd383ca964128a4d3d710e89b602e9236899d3837d8111e89137a6a6

Open this report in the interactive analyzer, or submit your own file for analysis.