Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e1ea3d3c6459943…

MALICIOUS

PDF

67.9 KB Created: 2020-11-10 14:27:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-09
MD5: 3fe2d369d120311dfb7df5806532abae SHA-1: c9d3b2e466ea57fd7e7bb67382bfea7424e2ab1f SHA-256: 5e1ea3d3c645994334f4b4b0a09190e6329dc71ae240b31dd4878e86e02f80ce
254 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://cdn-cms.f-static.net/uploads/4401971/normal_5fa50608e00c5.pdf In PDF document text
    • https://kajurizekevebok.weebly.com/uploads/1/3/4/5/134586758/156553.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366376/normal_5fa309db9f3fd.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/jexebefereboxuduluropovov.pdfIn PDF document text
    • https://s3.amazonaws.com/zosevid/wolixafo.pdfIn PDF document text
    • https://xufiwelak.weebly.com/uploads/1/3/1/1/131164558/xekivajuwu-zavekuwibudivi-mafaduwasewa-fizaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368471/normal_5f89dada92b25.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382208/normal_5f8e985f92694.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380226/normal_5f91e2a764e6d.pdfIn PDF document text
    • https://gettraff.ru/strik?keyword=informative+essay+outline+template+wordIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000cdd9.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000cdd9.bin)
    • https://uploads.strikinglycdn.com/files/ebe15f2a-40e8-4bbe-9c71-db5c987f797b/tutulejemetov.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/15e740a1-ddd4-4a6d-978b-a0fe61fe3fff/46297168073.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/489f53a7-6032-47d8-b483-670b5943417f/stoxplus_vietnam_consumer_finance_report_2018.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6353936-de5b-429a-827b-bdbecb3d3bca/46185245288.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d3112f2d-4d9b-4540-84ee-36f0767a202a/inheritance_book_free_download.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 extracted file (font_00_sfnt_off0000cdd9.bin)

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cdd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDD9 5376 bytes
SHA-256: 296caa57eeada35d4d6cac9aa6759237fdd05c439bc313ff33c065c99d2b311a
font_01_sfnt_off0000e026.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE026 10304 bytes
SHA-256: f270a45daf6c14ec91456e01715ff1db884fd9812fafca9a8eac848eb3681e76

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