Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ce0eb1b3967f6d7…

MALICIOUS

PDF

62.3 KB Created: 2021-02-20 14:53:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: fc8d18bb452adddca681eb81bea3b8f4 SHA-1: 3a4e5c4f6aed2a11f009c253ed62fcf9f30cdbc2 SHA-256: 5ce0eb1b3967f6d73325a1f6ffe8d5b0be6337487639440df786ace55ec0497c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://baarspo.ru/wix?keyword=great+scotts+eatery PDF link annotation
    • https://jawoxufogor.weebly.com/uploads/1/3/6/0/136022219/jokokasuw-nikuleliwej.pdfIn PDF document text
    • https://kegozorud.weebly.com/uploads/1/3/0/7/130740561/1352110.pdfIn PDF document text
    • https://puwikemumej.weebly.com/uploads/1/3/1/4/131454306/bekokifoxukeneled.pdfIn PDF document text
    • https://zalinojawovuga.weebly.com/uploads/1/3/4/8/134886974/doxogesotepugiv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481528/normal_5ff5531c6f4bb.pdfIn PDF document text
    • https://gakewejodum.weebly.com/uploads/1/3/4/9/134902465/2735502.pdfIn PDF document text
    • https://pudavupotel.weebly.com/uploads/1/3/5/3/135335197/wixixes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451970/normal_60129a0b55f90.pdfIn PDF document text
    • https://bepogopinaw.weebly.com/uploads/1/3/4/7/134742936/mowonakupo.pdfIn PDF document text
    • https://nijuvijoz.weebly.com/uploads/1/3/1/4/131408832/ca26a333d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450160/normal_5fedc50ba2e0d.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/zafaronivaj/84427166832.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_off0000b9c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9C7 4892 bytes
SHA-256: ae7b18530b3d416a33ebe9aa8ac9c11ffc394a026b5b25137d85ba8a2bc5020f
font_01_sfnt_off0000ca83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA83 10012 bytes
SHA-256: f5f1a0ca67b7d27f3ee8781b7036e534e050fd4f7a8dfe8ad5d5600f07ae902d