Malicious PDF — malware analysis report

Static analysis result for SHA-256 b768fd204c58406d…

MALICIOUS

PDF

40.0 KB Created: 2020-08-28 05:08:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 39e2eaccbe9a051896e00b6e68b8cf8b SHA-1: 6c06e33e50bf998045612d35df89efa24f3d05cc SHA-256: b768fd204c58406d72f5038e50fc6a400eb88cc20b4163284142f6ca723394cb
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high density of external links, many of which point to Shopify domains, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'ttraff.link', which is used to obscure the final destination. The document body, though partially corrupted, contains the same malicious URL and a benign-looking PDF link, indicating a lure to redirect users to potentially harmful content.

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.link/pify?keyword=homemade+shooting+bench In PDF document text
    • http://files.bfafairfaxbaseball.org/uploads/1/3/2/8/132815004/abd26b.pdfIn PDF document text
    • http://files.leididonna.com/uploads/1/3/2/8/132814906/muligimebubewik.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/1/0450/5151/0936/files/94131847495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5089/9368/files/pengertian_ampas_kelapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/banegebuvupipabewuve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8288/4006/files/kibaxufaxabutuwikiseju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9105/0142/files/28890891416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7016/0032/files/tedobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8022/0823/files/attitude_status_video_pagalworld._com.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4556/0219/files/43507350746.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9805/4558/files/51802906431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2118/8763/files/24358214220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5726/5305/files/nice_guidelines_wound_assessment_tools.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_off00005e49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E49 5328 bytes
SHA-256: ff693327524a323103b9929b799ec89585725a9235f2c725bafd995ad2773ab0
font_01_sfnt_off00007042.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7042 10364 bytes
SHA-256: babf9449fd1ebab4adf74e8ce18fc19ef7f754c1df1ab00b89d382c5a8d051b6

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