Malicious PDF — malware analysis report

Static analysis result for SHA-256 00092ec0c974ac02…

MALICIOUS

PDF

33.7 KB Created: 2020-08-18 21:06:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6b8c9dd97ade7b50d88ee92301fdbaac SHA-1: 0f7fbdd37713f514a2ca755d2b7dce63f4650be1 SHA-256: 00092ec0c974ac0258ccb952ed6209def139b9d3318657fcecfecd0894f6baba
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.ru) that is known to host malicious content. The document body, though heavily obfuscated, also contains this redirector URL and other PDF links, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness.

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://ttraff.ru/pify?keyword=forming+questions+in+english+worksheets+pdf In PDF document text
    • http://files.daphnefatterphd.com/uploads/1/3/0/7/130775280/kikorozodegab-xelixi.pdfIn PDF document text
    • http://zojan.dglivestock.com/uploads/1/3/0/8/130874422/1747158.pdfIn PDF document text
    • http://files.healthsanitylife.com/uploads/1/3/1/4/131438241/zutis-kojep-delinobujus-nomixiwazev.pdfIn PDF document text
    • http://files.adrianrigby.net/uploads/1/3/0/7/130775969/1760277.pdfIn PDF document text
    • http://files.jenniferbetteridgephotography.com/uploads/1/3/1/6/131637385/buvijefefivovuw.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004744.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004744.bin)
    • https://cdn.shopify.com/s/files/1/0438/4922/0256/files/bugoxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1053/1238/files/warfarin_guidelines_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1236/6229/files/45680412648.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2860/3295/files/wajomaremasar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4567/3377/files/33541970923.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1185/8855/files/itsfoss_guide_install_linux_mint.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9430/2117/files/tukerajodidodomewepeka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4927/1975/files/68738303527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3262/4797/files/72671256389.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/6888/7964/files/mba_assignment_cover_page_sample.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_off00004744.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004744.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4744 5484 bytes
SHA-256: 4bdeb829c150dacac1bbbcb23599cc5a4ecf898d3247825f0637b60d05425c7d
font_01_sfnt_off000059c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59C9 9412 bytes
SHA-256: 72aced088bd0103840e449b6170912f4daf1a56e997e4bc953076f2bc54f56d5

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