Malicious PDF — malware analysis report

Static analysis result for SHA-256 1911f11f8908d241…

MALICIOUS

PDF

70.8 KB Created: 2021-01-06 00:40:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-22
MD5: 10fcf030266418e70cefda66be07b25c SHA-1: a9e062921eaf187f5d64b0165a40f247ba00d878 SHA-256: 1911f11f8908d241bf898eb70f87ad599437c49ba0d1ad43013db2ecd050fdd6
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://traffset.ru/wb?keyword=ilive%20gold%20edition%20difference PDF link annotation
    • https://cdn.sqhk.co/xufaribo/Z1jhHgi/petemo.pdfIn PDF document text
    • https://wilitixovin.weebly.com/uploads/1/3/4/3/134351513/muzanev.pdfIn PDF document text
    • https://cdn.sqhk.co/bipukawu/fxgjhgs/simplenote_markdown_preview.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404500/normal_5fc7a7b5d08d0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416934/normal_5fb3f2e0411de.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/tokit/futotenivafakuzi.pdfIn PDF document text
    • https://s3.amazonaws.com/pidufozu/timozidaraxow.pdfIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/44880915985.pdfIn PDF document text
    • https://s3.amazonaws.com/bawalidamovidud/62202565863.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6604435c-2a16-440f-9ba9-b782e9f00855/ridipow.pdfIn PDF document text
    • https://s3.amazonaws.com/genukopapovixo/candy_crush_game_cheats_for_android.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_off0000d8b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8B9 4796 bytes
SHA-256: c9dcc8d981bafb89cea6fcc9e6856e9d7acb9b890bf78c55bbb56c368538c21c
font_01_sfnt_off0000e92d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE92D 10992 bytes
SHA-256: 0fc06a7fe4031778219cb760830a707bf3590da1c86564902b8299c5ca540803

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