Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d39ed08a5094683…

MALICIOUS

PDF

51.7 KB Created: 2020-10-29 17:11:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 1bb8e6762226f535c55789719befa548 SHA-1: f7a63fffcd1d31de025eb4a76970ccedb068581e SHA-256: 0d39ed08a50946835601fa8dea77695b21237a36f7e7ba04159a4cea0dce8517
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://ggtraff.ru/strik?keyword=mortal+kombat+x+fatalities+pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4369187/normal_5f98d18bba8fc.pdfIn PDF document text
    • https://norumevi.weebly.com/uploads/1/3/0/9/130969469/goxip.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391013/normal_5f91aec2a520b.pdfIn PDF document text
    • https://vamewufu.weebly.com/uploads/1/3/4/3/134317042/wurasesu_zogaxemoko.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411479/normal_5f945ab98566c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380070/normal_5f99f5f40fbb8.pdfIn PDF document text
    • https://jedunifoxawixe.weebly.com/uploads/1/3/4/4/134458330/dogevuniduzaw_wivulob_rolapu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/65f42b60-bbfd-4068-ba0c-e11b4251ba55/42334062495.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2ed3c68-e9a2-4c06-a482-a517bf2d2b19/blue_sky_mine_album.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ada4931-0f88-4507-bd37-3058fdd5e48d/pejimudujedukiwubolatemen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/7732/9586/files/jiwukojenovenera.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d715a7c-677f-497a-94fb-d30ef9aad145/burnt_orange_car_seat_covers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/2296/9764/files/tabla_periodica_metales_y_no_metales.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_off000088f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88F9 5464 bytes
SHA-256: f17e185a3138baaa5824a13765d87d10780b79bda06b3d2af72d0320ccc36a16
font_01_sfnt_off00009b85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9B85 12040 bytes
SHA-256: 174ee9d720a719b7cfe14abc33bbea8799b57709249bdebdda4d377431b25014

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