Malicious PDF — malware analysis report

Static analysis result for SHA-256 72b710bbe19dae16…

MALICIOUS

PDF

34.1 KB Created: 2020-11-03 15:52:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28
MD5: ee31dc1e55c0fdec9e8d9fae31a5bea7 SHA-1: 457f936bcaba0b3ef037a596400c195cee52d4c3 SHA-256: 72b710bbe19dae16edd576774dd75302c2d8355d7b6e7efa71cb309618fce6c1
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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 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://gettraff.ru/123?keyword=feudalism+3+game+unblocked In PDF document text
    • https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/xegupof-pajun-wemimimof.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373516/normal_5f8d218f59186.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407102/normal_5f9d78638a09f.pdfIn PDF document text
    • https://duxevuwelinabim.weebly.com/uploads/1/3/4/3/134353564/9397334.pdfIn PDF document text
    • https://toreliga.weebly.com/uploads/1/3/4/3/134335880/0476907de5fa2.pdfIn PDF document text
    • https://xakezoram.weebly.com/uploads/1/3/4/4/134497816/3e410afc3dc50b.pdfIn PDF document text
    • https://popilezofale.weebly.com/uploads/1/3/1/1/131164236/batug.pdfIn PDF document text
    • https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/5cb58f04.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407057/normal_5f995b1b0ab48.pdfIn PDF document text
    • https://panebafizi.weebly.com/uploads/1/3/4/3/134365464/beroxilu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366337/normal_5f972c11b0594.pdfIn PDF document text
    • https://pafuwaron.weebly.com/uploads/1/3/4/3/134385690/zikufajoz-nasemej-jomebanawu.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/5f69e427-1cbc-4729-ba1c-251c72ca3337/dugipe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12b3dc6e-a308-4372-a50b-2a4d3729e992/7984823796.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_off00004608.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4608 5488 bytes
SHA-256: c69e090741ce0fd0396106ab356363f0cc2ba424301bf55961f5f3f1039071ae
font_01_sfnt_off000058a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58A6 10356 bytes
SHA-256: 173feb4e37cea0db985d71592774eeff11af46d25cf8596a1b3c57eeb00e682a

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