Malicious PDF — malware analysis report

Static analysis result for SHA-256 f35ff8e4f5293477…

MALICIOUS

PDF

49.2 KB Created: 2020-08-15 13:53:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e8f640ed6b1fe95d33c403b769381d0c SHA-1: 5152e937654ceb910bcb9fa28c7c4f621374295f SHA-256: f35ff8e4f5293477634d88f4b0d6e69fbb6d31aca8b012ea231eb3dc12a9056f
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document was flagged by a machine learning classifier as malicious and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.com/wb?keyword=stages%20of%20public%20policy%20making%20pdf. This suggests the document's purpose is to lure users into clicking the link, which then redirects them to a harmful destination.

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://ttraff.com/wb?keyword=stages%20of%20public%20policy%20making%20pdf In PDF document text
    • http://files.moretonislandfishingcharters.com/uploads/1/3/2/6/132681757/29f69500bb50.pdfIn PDF document text
    • http://files.juliewiegand.com/uploads/1/3/1/4/131453480/dd1b72145be5fa.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/1/0433/6451/6005/files/debate_topics_for_high_school_students.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9403/2025/files/rugetuwife.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8026/9462/files/zaguraguladokumivovijivel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8946/1410/files/18695412901.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8212/8283/files/22232649798.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7249/5524/files/84395574901.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9832/5663/files/96730943223.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 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_off00008299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8299 5788 bytes
SHA-256: b049c5ad5037ec7ff95c5451274dd63324d35d0f244967f626b6a754c75cf255
font_01_sfnt_off00009643.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9643 10024 bytes
SHA-256: b37dcf4df927586ffb3c7604b72f7f178d68f48ca59e0378f55a4d902747a069

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