Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c5b968c6cd79857…

MALICIOUS

PDF

78.1 KB Created: 2020-11-22 00:07:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-07-18
MD5: eb0bd355609c111e05d2b13875eff1d2 SHA-1: 0b58a0fb46393d1e0afa84a327aee45fe7dfb2f7 SHA-256: 5c5b968c6cd798574ad806122c42bfdf0de913343e93bd659660c00fff7475e6
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://wesafave.weebly.com/uploads/1/3/4/3/134307961/tanewapir.pdf In PDF document text
    • https://roninuvanajeg.weebly.com/uploads/1/3/1/3/131379749/5614488.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410462/normal_5f93837939af6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393041/normal_5f9a2f09577fd.pdfIn PDF document text
    • https://s3.amazonaws.com/lulelepese/auschwitz_tour_guide_anna.pdfIn PDF document text
    • https://nukawidizuzaxep.weebly.com/uploads/1/3/3/9/133997642/c9c8db72dd80005.pdfIn PDF document text
    • https://nubusoduzotuf.weebly.com/uploads/1/3/4/8/134883140/mugikipem-lesazafadife-fivoxi-xotiv.pdfIn PDF document text
    • https://firerokuk.weebly.com/uploads/1/3/1/1/131164187/nesemojiwovinudub.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376101/normal_5f9b8ae8b84fd.pdfIn PDF document text
    • https://xukopalobupekon.weebly.com/uploads/1/3/4/7/134730613/ledepet.pdfIn PDF document text
    • https://s3.amazonaws.com/fonibinaraj/3410140019.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377414/normal_5f8e4b107c317.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408462/normal_5f9a22eb34970.pdfIn PDF document text
    • https://s3.amazonaws.com/wifiduxezo/hypertrophic_cardiomyopathy_guidelines_nice.pdfIn PDF document text
    • https://s3.amazonaws.com/muvojugejoxip/98835669506.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8844d1a1f20.pdfIn PDF document text
    • https://ggtraff.ru/123?utm_term=how+to+get+to+sootopolis+city+in+pokemon+rubyIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000f03d.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000f03d.bin)
    • 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_01_sfnt_off0000f03d.bin)

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d518.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD518 8012 bytes
SHA-256: 4f7fc658308a916ecf5fdfdf2b90b7ec4ef13bbb898a6009d950785e4911f164
font_01_sfnt_off0000f03d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF03D 5400 bytes
SHA-256: add3f3d9e53a3177337e444976cd04529ff0a5a3f8453ade9c3763913a1ea2f2
font_02_sfnt_off000102a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102A7 11556 bytes
SHA-256: cca7e5313866d267939cc967bae7cd9c500f1665d3ad247ebbf62896b06661c1

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