Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d391946d7a9bcdc…

MALICIOUS

PDF

46.2 KB Created: 2020-10-07 01:42:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-14
MD5: 8954de2357d0d09314c49148e408c780 SHA-1: 8a0ed5f7b50e20a0bc13a2e239e8bda15743d60b SHA-256: 0d391946d7a9bcdce0761422950ffe8a02791858f9f39ed17906e807126c1774
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://gettraff.ru/strik?keyword=saeco+magic+deluxe In PDF document text
    • http://vovoxozir.alexandrathurston.com/uploads/1/3/0/8/130814328/a7e9959.pdfIn PDF document text
    • http://files.richmondneighborhoodrestoration.org/uploads/1/3/1/8/131856100/c3ba16a52e47d.pdfIn PDF document text
    • http://files.napavalleyartworkshops.com/uploads/1/3/2/7/132740670/126b119acd.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/b7e77de8-0df5-4471-8d47-16948ee77054/ragodizadatujibururinerus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/145ce84d-af8d-4231-bd34-e6b3255b44f1/tifapuse.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9351686-da1d-405c-8f96-240afc2dcdcf/sagitaviv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69ea68eb-1ea0-4749-ba3a-e082c2181196/sesiwa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/728c42ab-7cb5-4cf2-983f-9c8bfe4bd1bc/sikutupuro.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c7a66786-1a45-428c-966d-7c3280fbf169/87190564601.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/861c53b9-f69a-435e-a7c3-48cdd16abb80/tuwisudapudubinatapuli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/282a5f33-8867-4562-80cc-181c466bb85c/78425185838.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eeb5edfa-1b22-4b48-864f-d4ecb301cbb2/jisozulozem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d81c8c1f-63df-46b0-9d18-2603343aca00/wibosizuroka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2892/9945/files/why_is_my_dog_always_hungry_and_skinny.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/0303/9903/files/melinefesezegunugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/bon_iver_i_cant_make_you_love_me_sheet_music.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D2E 4852 bytes
SHA-256: 4260ce146d557af42afc5e85e67afe66352ad85decd5301a9f1168557716ae9e
font_01_sfnt_off00006da0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DA0 15392 bytes
SHA-256: 687374e0d26378729eefa0449f945213c39eb2ec23dc47741efac527d6a454e4
font_02_sfnt_off00009c35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C35 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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