Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0dc6858629bc408…

MALICIOUS

PDF

37.7 KB Created: 2020-07-28 04:45:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3ca7d7f2b0ea396a8776c3be3f11a1f5 SHA-1: eb7a774ba122c609ec93e02624c3487b772108e3 SHA-256: d0dc6858629bc40802b386de31fa99ed75684d82361d181d85664f2fc7ed4083
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to Shopify domains but are likely part of a link farm to improve search engine ranking for malicious content. One critical heuristic firing indicates a direct link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The presence of numerous links and the redirection to a malicious site strongly suggest a phishing or malware distribution attempt.

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.com/pify?keyword=alter+ego+1+workbook+pdf In PDF document text
    • http://files.shoptrunnellsfarmmarket.com/uploads/1/3/0/7/130775286/5236563.pdfIn PDF document text
    • http://files.facesofjanine.com/uploads/1/3/1/4/131438228/vexazenut.pdfIn PDF document text
    • http://files.vocationaleducationwaiahole.com/uploads/1/3/1/4/131410479/9581018.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7120/1695/files/48393013056.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75901524911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0326/3645/files/kivugakuwolenako.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/5206744633.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6908/6619/files/20014700388.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0952/3355/files/nudigopowobetavilanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duzawubemamomavokam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1449/6161/files/57835318310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4241/4493/files/99894505659.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3259/2040/files/60806786310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3542/5944/files/nirazijodemisa.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

Related samples 3

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_off0000577c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x577C 4792 bytes
SHA-256: 80616e8b014e8a04c0906b1de2ffc5c8b8b7f01f1a4da1872e19e81e69741d5e
font_01_sfnt_off000067f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67F6 9952 bytes
SHA-256: 53ca9315f9608706712362c9516a98b406fb337c14da5037531ef6c8eb5b01f4

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