Malicious PDF — malware analysis report

Static analysis result for SHA-256 ced0bc34c14e9ff2…

MALICIOUS

PDF

43.6 KB Created: 2020-08-06 10:37:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac7fcae184d6ffa43dc91937cf419b96 SHA-1: 2d02eb0174a13c587a627a8aaf33123ff8080f0d SHA-256: ced0bc34c14e9ff2e641628acee7fb6a744b0cf8b5228522b5d57e964f62767b
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector infrastructure. The document body text and embedded links suggest a lure for downloading a PDF to Word converter, which is a common social engineering tactic. The primary malicious URL identified is https://ttraff.ru/pify?keyword=pdf+to+word+download+program, which is likely used to redirect users to further malicious content. The presence of many Shopify links, while some are benign, is part of a link farm strategy to improve SEO for malicious 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.ru/pify?keyword=pdf+to+word+download+program In PDF document text
    • http://files.kilocharlieshootingrange.com/uploads/1/3/1/4/131408439/bivijefarisag.pdfIn PDF document text
    • http://files.loveshantea.com/uploads/1/3/2/6/132681479/2689961.pdfIn PDF document text
    • http://files.theartsinguthrie.org/uploads/1/3/1/8/131857758/cee778aa.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/1/0436/8180/8549/files/jobogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6043/6887/files/63228385392.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9902/1717/files/70169707178.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8235/7663/files/cfa_level_1_mock_exam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6504/8214/files/fundamentals_of_engineering_electromagnetics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6151/0293/files/46885538365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9028/8535/files/64589118112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2093/3528/files/rogavobaxomutobaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3467/3305/files/zutef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3636/7265/files/boas_mathematical_methods_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6812/9431/files/89738475703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1410/2950/files/caterpillar_forklift_parts_manual.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 7

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_off00006c51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C51 5276 bytes
SHA-256: 9d96d219dc08c99051b0e521c33b75d69bc6019c9a2bcf6f6e725b4a8cc1d56f
font_01_sfnt_off00007e4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E4A 10492 bytes
SHA-256: b7ab543f47fe48cfffc5bf4387677214274d8442099d2b9ea4f26d2a668e3663

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