Malicious PDF — malware analysis report

Static analysis result for SHA-256 5201e700ae6764f1…

MALICIOUS

PDF

44.2 KB Created: 2020-08-15 09:22:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d27488789d308ef4cfd53c270cb6aec0 SHA-1: ccfca64b198e9ddbdd0c9ac3e54b0216b41104d9 SHA-256: 5201e700ae6764f1d45190b9471fce27d5537d909941719d2c8b6a094e8c13b3
194 Risk Score

Malware Insights

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

The PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, includes a URL that is also present in the heuristics, indicating an attempt to lead users to potentially harmful content. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed for malicious redirection.

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/wb?keyword=victoria%20aveyard%20glass%20sword%20pdf%20download In PDF document text
    • http://mujemoseg.tomhelp.us/uploads/1/3/1/4/131407440/3594047.pdfIn PDF document text
    • http://sulowel.pilatesexcellence.com/uploads/1/3/1/6/131636612/7734901.pdfIn PDF document text
    • http://files.poehaku.com/uploads/1/3/1/6/131607239/ab7f23f.pdfIn PDF document text
    • http://files.thekinkhub.com/uploads/1/3/0/7/130776131/0e66c7ef2d1.pdfIn PDF document text
    • http://files.themindfulmamablog.org/uploads/1/3/1/6/131606128/d89dd77f558f9f1.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/1/0437/6982/3383/files/4th_grade_math_sheets_printable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5279/2982/files/que_es_riesgo_relativo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2725/9811/files/41875120130.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6348/4315/files/vemunexusuwewaram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2068/1377/files/kavekebimodezigapofo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8818/3447/files/65843140573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9948/8410/files/fuzufeva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5224/2856/files/benjamin_graham_formula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4472/3098/files/mavebuxusiwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5013/8784/files/replace_toilet_flange.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4519/9777/files/51671725046.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_off00006dcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCB 5544 bytes
SHA-256: 2d7ba27fcbbce20b2b06216bb3bc5248822534c03fa7519a8785eebbf263b995
font_01_sfnt_off000080d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80D3 10020 bytes
SHA-256: 23bb9483b6f2cc0785f9fd5a1466d476627f37783b46279b2c4b22c16cf4108b

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