Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd74af021329516d…

MALICIOUS

PDF

48.2 KB Created: 2020-10-14 18:23:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 3912847871d36e0f805b9ecf28021343 SHA-1: 21539a06292d8b0d73244861b00f2170d223079b SHA-256: cd74af021329516d20b60b03db4a1ee2e9c1e6d6c5d43c7e126c97a685dfe3da
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/strik?keyword=testaments+margaret+atwood+pdf In PDF document text
    • https://site-1038857.mozfiles.com/files/1038857/85740404492.pdfIn PDF document text
    • https://site-1040297.mozfiles.com/files/1040297/90543944540.pdfIn PDF document text
    • https://site-1041950.mozfiles.com/files/1041950/92486911321.pdfIn PDF document text
    • https://site-1037163.mozfiles.com/files/1037163/55949925077.pdfIn PDF document text
    • https://site-1039143.mozfiles.com/files/1039143/mifavadonem.pdfIn PDF document text
    • https://site-1043034.mozfiles.com/files/1043034/68748820091.pdfIn PDF document text
    • https://site-1038988.mozfiles.com/files/1038988/26958565084.pdfIn PDF document text
    • https://site-1038488.mozfiles.com/files/1038488/fukobidorajopalobexunoso.pdfIn PDF document text
    • https://site-1037821.mozfiles.com/files/1037821/891814103.pdfIn PDF document text
    • https://site-1039346.mozfiles.com/files/1039346/31431845072.pdfIn PDF document text
    • https://site-1040000.mozfiles.com/files/1040000/lubiwoxu.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/4e1ad5b8-2b77-411f-8366-c59422ca8171/69408818745.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1c4d395-8611-42b4-b75b-ba37412f10f1/pakobuj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/187147b8-c14f-49d3-bd71-edd6c7a41821/noxogotenaxivuwubomo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa6ab31a-9510-4285-a25f-101d2cffc1b3/37640498132.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4446b3af-64c7-47ed-b891-55802a837d55/pijexefeneraxirene.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6f63a01d-cdde-4c18-917b-f147c978a0d2/xovubowefipi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/3802/7163/files/sofodefa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1245/5591/files/vefelubituwuvidokeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0492/0367/5300/files/datulewew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9782/6207/files/71358065513.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/3325/0970/files/mr_christmas_carousel_costco.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_off00007e2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E2D 5368 bytes
SHA-256: 363cfcdab3fa2ab9361d9f47134ad7423a9171b32eaf6c78ee527c6ee29691fd
font_01_sfnt_off0000906d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x906D 10264 bytes
SHA-256: 5dbd8db2232d073086aacc8d4e16c99e658ec930129de94782320b659659efb1

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