Malicious PDF — malware analysis report

Static analysis result for SHA-256 e149f13d45bc5ced…

MALICIOUS

PDF

43.8 KB Created: 2020-08-03 07:42:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 18fe3e2fecf37ab5c91a4e68f3f4bc3a SHA-1: a9bfa7678eba93cc3498ee56b90e4c560d0535b7 SHA-256: e149f13d45bc5ced94f7c96c0904ffacea5a153f016b2b9986384b9582fbb56c
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=belamoore%2527+s+research+journal+classic'. This indicates the document is designed to lure users to a potentially harmful website. The presence of numerous other links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to improve search engine visibility for malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=belamoore%2527+s+research+journal+classic In PDF document text
    • http://files.cardiologycarolina.com/uploads/1/3/0/7/130739069/6441498.pdfIn PDF document text
    • http://files.lushbeautynz.co.nz/uploads/1/3/0/7/130775126/nemefefidomojador.pdfIn PDF document text
    • http://files.stevehowell.net/uploads/1/3/0/9/130969710/317790.pdfIn PDF document text
    • http://files.mrandmrsleadstraining.com/uploads/1/3/1/4/131437131/wadetavab_gumajufafa_gexapawasot.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/1/0435/7505/0395/files/92501136716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/22856296712.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3637/6231/files/57046651511.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4178/3959/files/deguminusaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3251/8555/files/83202060540.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6279/6186/files/pimenule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7152/7330/files/notixifipetakuneloboga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3286/1079/files/installing_git_on_linux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/belukidebujugasomadawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8344/5925/files/grey_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.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 6

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_off00006dca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCA 5196 bytes
SHA-256: 11a21db92f31fd1327451cdd986cc52be47e40e51b40b83544ee3380d73dfc96
font_01_sfnt_off00007f52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F52 10252 bytes
SHA-256: c313edf353329e8c050e26524c5c36f3d9b9b62e21fba7ad9c2177e24c830544

Open this report in the interactive analyzer, or submit your own file for analysis.