Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d5002ae3e132e61…

MALICIOUS

PDF

39.0 KB Created: 2020-08-16 23:46:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bdcceb7e866514f1bed4307854c35003 SHA-1: 007696dd88b8b4dd61653fc6b056374a9af5a780 SHA-256: 6d5002ae3e132e61d82995c61048b8a87579aacc92ebe003445b8c3a9e9ad52c
162 Risk Score

Malware Insights

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

The PDF contains a link farm with 22 external links, many of which are SEO-optimized and lead to redirector infrastructure. The primary malicious link, 'https://ttraff.com/pify?keyword=clash+royale++for+windows+10', is presented as a download for 'Clash Royale for Windows 10'. This indicates a social engineering tactic to trick users into visiting malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a phishing or malware distribution attempt.

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=clash+royale++for+windows+10 In PDF document text
    • http://files.holisticfamilycare.com/uploads/1/3/2/6/132695569/4103487.pdfIn PDF document text
    • http://files.windz.co/uploads/1/3/0/7/130776205/aff1a.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/1/0435/3359/8880/files/materiales_metalicos_ferrosos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0863/7602/files/how_to_write_a_rogerian_argument.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3033/0019/files/rune_workshop_tool.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1175/1588/files/xulanewegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5152/2977/files/smart_tv_apps_for_pc_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6565103434.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tadigepulimo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4301/0198/files/residual_voltage_transformer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0455/7622/4933/files/30873375162.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 2

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_off0000594a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x594A 5288 bytes
SHA-256: d77fb149d7b360170affc2db42cd4624562b6504440c16ca36d68dbff6c007ab
font_01_sfnt_off00006b56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B56 10592 bytes
SHA-256: c0ef6ce06a5c5ecc4b96e54ed63e8eadef3241fe196abdd7c920f044b830137b

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