Malicious PDF — malware analysis report

Static analysis result for SHA-256 01e11d5ab87c8760…

MALICIOUS

PDF

43.5 KB Created: 2020-08-21 02:30:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a706988c0e947a02dc0dc23aedda8372 SHA-1: ca33e4bfa0cfd9263b62f591d7393edd7cd76fc0 SHA-256: 01e11d5ab87c876064221e797ced1e35884269ea2166947d0885518c6cb95362
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a critical heuristic identifying a redirector to malicious infrastructure. The document body, though heavily obfuscated, contains the URL that is also flagged by heuristics as a malicious redirector. This suggests the document is designed to lead users to a malicious site, likely for phishing or malware distribution.

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=dante%2527+s+inferno+pdf In PDF document text
    • http://tedap.francesca-williams.co.uk/uploads/1/3/1/6/131636612/gepuz_mefugu_vuvor.pdfIn PDF document text
    • http://files.thesouthernsaltymermaid.com/uploads/1/3/1/6/131606343/kibisajo.pdfIn PDF document text
    • http://files.anotherplacecalledhome.net/uploads/1/3/1/4/131453024/8164776.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/1/0437/9115/5361/files/sodoweb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3229/0215/files/39701529491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/5890/8584/files/calculus_single_variable_8th_edition_solution_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3239/6447/files/27758844565.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0877/8663/files/cheam_park_farm_primary_uniform.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3258/2056/files/lopozutixebutipofafo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6624/4766/files/2150653108.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9524/4441/files/joss_whedon_net_worth.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7977/7945/files/behavioral_decision_theory.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_off00006d59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D59 5036 bytes
SHA-256: fa4f5ae61a7489eca6710e5f6cd49fbf75e62a85823ac18211db732befe681a6
font_01_sfnt_off00007e8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E8D 10224 bytes
SHA-256: 9ac20c2a2e0537d02c8c90b260bc55773b7941d4d08c99ca2a1506564e435aec

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