Malicious PDF — malware analysis report

Static analysis result for SHA-256 6243fd93c5da0b0d…

MALICIOUS

PDF

75.4 KB Created: 2020-12-06 12:40:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-29
MD5: 7a52435d8cca7c61d4b835fad833d897 SHA-1: f3006e3dfb8752d859dd9b7cf52f7ed5495e0041 SHA-256: 6243fd93c5da0b0d336ee31c4909d51da0b7d3d3f3702f7552c062afe2d5af08
254 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://cctraff.ru/wb?keyword=invoice%20terms%20and%20conditions%20template%20australia In PDF document text
    • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/4ca23a4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454043/normal_5fcb5e34632ec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379718/normal_5f8c6860f2e92.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/begijufadi/12_sites_like_putlocker.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdfdb4e6d49a06bb575760/1606286776440/virginia_state_usbc.pdfIn PDF document text
    • https://s3.amazonaws.com/pujirageg/the_bodyweight_beast_files.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/23987708243.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc546b6a13a450bab114660/t/5fca0da087b36f46d40624f6/1607077280933/fantasy_premier_league_gameweek_12_picks.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc289d2116eb00e3c565727/t/5fcbd56b11c29807e6e3f75b/1607193970657/carrom_disc_pool_hack_mod_game_download.pdfIn PDF document text
    • https://s3.amazonaws.com/sabegokek/dave_escamilla_band.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc77e789ea50d4120a1e88b/t/5fcc2f3b74a40730fb8acb40/1607216956284/block_puzzle_jewel_legend_hack.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/411da8cc-e1f7-4aec-96f5-6e6de3b52fa2/26429830463.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cd90b78-d0b1-4371-a19f-97478ed8e7b6/xawosekuseki.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

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_off0000ea7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA7E 5216 bytes
SHA-256: f44c2a53f24fe3e541244677b6bb535fddfca8cf77a7e04f3ab2fc70cb571c73
font_01_sfnt_off0000fc27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC27 10740 bytes
SHA-256: 8b19efecb940c9d5bcbebc65e69d42cae358991337444404c616d7797c5b5186

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