Malicious PDF — malware analysis report

Static analysis result for SHA-256 68427a3a8d8dfedb…

MALICIOUS

PDF

41.1 KB Created: 2020-07-29 01:27:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b9b0d4f5592d51b059836e2141227262 SHA-1: 54186ac1695db4e623f9e14e6254bebf615ef94c SHA-256: 68427a3a8d8dfedb4ca196b88277719fbf075edeee78ee12d72401cac0b0c3f6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains multiple heuristics indicating malicious redirection and a link farm, specifically pointing to 'ttraff.com' as a redirector. The document body, though heavily obfuscated, appears to be a lure related to 'sheet music'. The presence of numerous PDF links suggests an attempt to distribute further malicious content or engage in SEO manipulation for malicious purposes.

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=humoresque+string+quartet+sheet+music In PDF document text
    • http://files.seeingsilence.com/uploads/1/3/1/4/131407010/ccfb43e727f.pdfIn PDF document text
    • http://files.aidenlee.net/uploads/1/3/0/8/130813639/nitofaziminufu.pdfIn PDF document text
    • http://files.stanleyskidsministry.org/uploads/1/3/1/3/131379343/5508109.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/1/0432/3803/1518/files/ruvijapesutatudeligol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2287/5813/files/padojenepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8933/8276/files/wojidoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5459/6250/files/pigulidowelazazivo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1602/8309/files/98340212573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8579/8301/files/rokasikisa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9862/8501/files/64672871034.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3755/6889/files/12597263174.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9246/6080/files/84371957732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4374/1083/files/28165292914.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5893/8531/files/10399763812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8785/4749/files/foxetarus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8055/6452/files/makil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3884/2779/files/xeporat.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 4

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_off00006347.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6347 5148 bytes
SHA-256: 29a24fab62313d430b43080caee7da5cf49259231328274c2ff234b0e9a6cb70
font_01_sfnt_off00007494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7494 10052 bytes
SHA-256: ecb432958c1bb4a92a09e0705e5de04150d35bb26a67e2894bd5557ac944e5f9

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