Malicious PDF — malware analysis report

Static analysis result for SHA-256 1449476b4bfe0a9a…

MALICIOUS

PDF

33.5 KB Created: 2020-08-28 17:17:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1d00b22ff15e3a0cd157f600f549b80a SHA-1: d55a92bf5bf16911410816e77bdb7cc567aa5065 SHA-256: 1449476b4bfe0a9a0990384a630c6778ce16d5b1d83f9ac4efd4b114da62e6dc
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=els+yds+kitab%25C4%25B1'. This redirector is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, also contains this URL and several Shopify 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.com/pify?keyword=els+yds+kitab%25C4%25B1 In PDF document text
    • http://lagudi.inspirednourishment.ca/uploads/1/3/0/8/130814868/3727019.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/1/0436/0955/5107/files/maxade.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2734/8121/files/abu_shuja_abu_waqar_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6259/9585/files/ambiguous_genitalia_approach.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4384/0412/files/76241586647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4587/1001/files/kunozozanifulo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1444/7519/files/wevomobumof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9092/8026/files/bulizowivevabadiwuzewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8530/6782/files/8519500150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5657/8206/files/hk_caws_3d_model.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7836/7897/files/watermark_mac.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 5

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_off00004536.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4536 5020 bytes
SHA-256: b874a497dee9922d42a9d9412e19a8e895cc9ec29d1d33e043f789b90c7a5dda
font_01_sfnt_off00005666.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5666 9988 bytes
SHA-256: 4f96cc36de0a104a8c5a5f8101b523f110c9898f48df603b06b002930f61e8db

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