Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ebe245607105304…

MALICIOUS

PDF

38.9 KB Created: 2020-08-19 01:00:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c842be704a13a3c33a3c33c7523baeb2 SHA-1: a2930a1c928793c7f3238afa9cbccafa86fe4d16 SHA-256: 8ebe2456071053046f08dab0a7eaa941369ce34a20ef7563a9a4cf49703dde75
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, 'https://ttraff.ru/pify?keyword=walking+with+purpose+pdf', is identified as a malicious redirector. This suggests the document is designed to lure users into clicking malicious links, likely leading to further compromise.

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=walking+with+purpose+pdf In PDF document text
    • http://files.suzannewittfoley.com/uploads/1/3/0/7/130775191/kofotiwuwaj.pdfIn PDF document text
    • http://bifomeba.hogansails.com/uploads/1/3/0/8/130814423/4652175.pdfIn PDF document text
    • http://files.skillmillnyc.com/uploads/1/3/0/8/130873728/70fb99b1.pdfIn PDF document text
    • http://bodes.elevatetoprevail.com/uploads/1/3/1/0/131070302/faxopuwarudosuvamom.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/1/0433/0687/7080/files/wupukibasabozuxijixosi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5663/6828/files/application_of_computer_in_education.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7763/2154/files/anencefalia_ecografia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4929/4756/files/38559365441.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7926/2623/files/99422217727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0454/6691/0872/files/bsnl_broadband_plans_kerala.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6596/6754/files/35068194798.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8663/4390/files/alimentacion_y_nutricion_humana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3759/5560/files/mavefawib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6427/0743/files/47601948008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8212/9320/files/belaxanun.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 5

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_off00005852.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5852 5472 bytes
SHA-256: 65ee2a3634b2188bef7406c8ebd1e7378da309546dd99293c8c551adaa189602
font_01_sfnt_off00006afc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AFC 10624 bytes
SHA-256: c13468e68e228ab1e0ac13d6aa11793fbf8ca0b33cd5b3eee3eab7ccd3ba3f46

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