Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f6e620beb20471d…

MALICIOUS

PDF

50.9 KB Created: 2020-10-22 00:44:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-30
MD5: d79822f9d383fd8117ece7784422ac0f SHA-1: 6f34c55dcfee7c08a52be5d1ddd2a0343d9a2317 SHA-256: 8f6e620beb20471d96fd92baa162783258c6801f5ca4b390107cf15a6c6c8ad5
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/123?keyword=netflix+apk+full+premium+cracked In PDF document text
    • https://tenikekiso.weebly.com/uploads/1/3/0/7/130775729/8512971.pdfIn PDF document text
    • https://kafasomawupi.weebly.com/uploads/1/3/0/7/130775431/sewixemomer_kimexazij.pdfIn PDF document text
    • https://fidegobopoj.weebly.com/uploads/1/3/2/8/132815019/naseruwuwebobezasek.pdfIn PDF document text
    • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/zixutinofukuvipaxi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367921/normal_5f8b25617a611.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374522/normal_5f8b9afdc4398.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386822/normal_5f90a55c52fdd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367905/normal_5f8784ad6291d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383923/normal_5f8d99309b8a4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371020/normal_5f891fbea40c4.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006420.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006420.bin)
    • https://cdn.shopify.com/s/files/1/0499/8361/9232/files/vuwogomudeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9382/7485/files/kbs_world_program_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0268/7529/7986/files/tifuvifepisiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4564/2663/files/kufonalulezunifil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5940/3157/files/disgraced_ayad_akhtar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3449/9493/files/13025745348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2172/9955/files/75239052940.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0493/4280/8218/files/zopidikemewibikatep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6720/9893/files/america_the_story_of_us_division_worksheet_answers.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 extracted file (font_00_sfnt_off00006420.bin)
    • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000a720.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000a720.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006420.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6420 5224 bytes
SHA-256: 388d09dca1e81932cabc13e71f9fd6b5cf68f35e347e4d7ad078753e1b82edb5
font_01_sfnt_off000075d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75D2 2920 bytes
SHA-256: 8874fa3c8c6523b9e44ffd976e2d81f22fd11d8a3a681b80b69f6ebd8cebe937
font_02_sfnt_off00008244.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8244 10712 bytes
SHA-256: 08eee285d68420c8e2153a7e075b9b47fc7ba4842593d2876621e176b932e630
font_03_sfnt_off0000a720.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA720 16720 bytes
SHA-256: 1ec174ff3375995b5d33c178ddbae9cdca6482ac0d6d3aa7d1f72e06915f7824