Malicious PDF — malware analysis report

Static analysis result for SHA-256 793a8e85da832996…

MALICIOUS

PDF

63.5 KB Created: 2020-12-04 18:47:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 555808f72453a9bcbffd3bbc2003a4fc SHA-1: cc878eddd3e1721548d00b719d652282894a0014 SHA-256: 793a8e85da8329965908133a4c4446b1d6a54d38eaecc3956f262c7ab884a636
244 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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://traffking.ru/123?utm_term=the+career+fitness+program+11th+edition In PDF document text
    • https://static.s123-cdn-static.com/uploads/4476946/normal_5fc75c47338d2.pdfIn PDF document text
    • https://jategolotigani.weebly.com/uploads/1/3/4/8/134882723/ca4f2c903322d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366978/normal_5fba867b52fb5.pdfIn PDF document text
    • https://furasawi.weebly.com/uploads/1/3/4/3/134308809/65bbdff037bbcb2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478670/normal_5fbb4cb773bdb.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/wuxar-zemamagogor-kunejuruj.pdfIn PDF document text
    • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/vilawedalote.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393508/normal_5fb85ad89e61c.pdfIn PDF document text
    • https://rutukesusejam.weebly.com/uploads/1/3/4/4/134464581/7929329.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/94752bed-ab02-4c69-ab8a-d2484d8fff63/31678804230.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f617ec6-e3ec-40ee-b6fe-00cc28e4192a/the_chinaman_stephen_leather.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/de16141a-c0be-4c93-962b-92e42d5ffef0/66796605156.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a0d6586-6c18-4e8d-bdad-4235e31eab80/pimubiz.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_off0000bb64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB64 5536 bytes
SHA-256: 3c53ac3130290b979c37ba66ed68a76154ef05fb9ff451ca024178e1e33086fb
font_01_sfnt_off0000ce16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE16 10336 bytes
SHA-256: 218553587a8f59ab9f6c4b24a8815517b97eb9d9b6559a3bfa4aa6ac1435efc3

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