Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8693a4943fa86a…

MALICIOUS

PDF

63.2 KB Created: 2020-11-06 10:41:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: d1ae46317620bbd388fbb1642f616463 SHA-1: be07983ed802d9757e688a43548a5d771de9da60 SHA-256: 5d8693a4943fa86adb3b8f97299d6ccd90dfdac821ecb1bb7476797dd39b53a3
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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=avengers+endgame+2019+google+drive+mp4 In PDF document text
    • https://cdn-cms.f-static.net/uploads/4365567/normal_5f9212d3442c3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375528/normal_5f94a900d2a78.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393018/normal_5f9081b3943ba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389104/normal_5f9d9037f3f38.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://s3.amazonaws.com/nademopor/salesforce_jobs_dc.pdfIn PDF document text
    • https://s3.amazonaws.com/temujonuwu/soda_stream_source.pdfIn PDF document text
    • https://s3.amazonaws.com/ragejufa/49923938793.pdfIn PDF document text
    • https://s3.amazonaws.com/tifuwuw/boules_rules.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44aba71f-3ee6-40f3-a09b-6a5b1bd82aea/18903210968.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/156a3943-321b-4878-80ef-3c29bbb31656/the_binding_of_isaac_afterbirth_unblocked_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7510a506-9073-4e9f-af6f-dd000ff7e335/makita_6095d_disassembly.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/375c5cb2-1e98-4eac-ad30-e43d46e36311/77977960427.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e03fa6db-9720-40cf-92b5-e8eb7d4a227a/buzimuxizosup.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007f27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F27 3552 bytes
SHA-256: 497d5d7d1f8823d7a3bb10264d4c875b4fb606b5883b53ccdbeaf98656ea0586
font_01_sfnt_off00008bc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BC0 5604 bytes
SHA-256: 6980b60a37065f08673684d770597164e8991a397fabd604691a267d6cb43358
font_02_sfnt_off00009eb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9EB0 13892 bytes
SHA-256: 50df5d54916f5d1ee9fa8ce08e9226d10dc94af07d80b765d482fc62b105fc53
font_03_sfnt_off0000c869.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC869 16572 bytes
SHA-256: c5586afe925b224ecc19140cdb4c21614bff3d7c4781d9191ec6c141664946ca
font_04_sfnt_off0000df50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF50 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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