Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed326804a010bbe5…

MALICIOUS

PDF

68.3 KB Created: 2020-11-23 22:22:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-07
MD5: e2e872fd6e27b28f25eb25a01f1805b9 SHA-1: b876ad477f6592a33c247facb2c1536bb7bc08ed SHA-256: ed326804a010bbe50fe09be87a49c07c8d86b36d0ab4fb4570233121dcfd9d37
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://s3.amazonaws.com/mesixadelomomo/how_to_loop_a_script_roblox_studio.pdf In PDF document text
    • https://s3.amazonaws.com/fizaxo/7283063193.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376099/normal_5fa30ebc1a37e.pdfIn PDF document text
    • https://s3.amazonaws.com/wovitiku/despacito_remix_lyrics_video.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370299/normal_5fa7784835484.pdfIn PDF document text
    • https://wedebiki.weebly.com/uploads/1/3/0/9/130969436/49bf5.pdfIn PDF document text
    • https://s3.amazonaws.com/dalava/infratemporal_fossa_structures.pdfIn PDF document text
    • https://s3.amazonaws.com/pewebopufupe/wovarejekarosa.pdfIn PDF document text
    • https://cctraff.ru/wb?keyword=chal%20chaiya%20chaiya%20songsIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c895.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c895.bin)
    • https://uploads.strikinglycdn.com/files/a4a317f3-1ea5-4692-b736-4db997887e5e/skyrim_legate_rikke.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b63d1c4f-4c0a-450d-8c98-367ee2df74cf/57624704848.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7a6b67e-e043-40b3-af9d-59e6552417d1/76670788042.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dd107e90-a07f-4cf1-bbd7-50c999140980/estate_dryer_manuals.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce0a7eb6-2eb4-42c1-90a0-eab296f91590/pixel_gun_3d_10.0.4.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_off0000c895.bin)

Related samples 5

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_off0000c895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC895 4972 bytes
SHA-256: 71c648684e1b263176605abe37f1c55373d881d926b12f64fab8c8e4844705e6
font_01_sfnt_off0000d987.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD987 12520 bytes
SHA-256: 4905be0c2c15d0290a8ae3f705e48efbc3104cf1c4fc8bbb3acc1c48b1b97643

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