Malicious PDF — malware analysis report

Static analysis result for SHA-256 941deaf98a0c0c96…

MALICIOUS

PDF

74.9 KB Created: 2020-07-31 06:12:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 696e4a7aeb6bf3d9c06061e51febc6f8 SHA-1: 6ec21c76d2089ee3300b4725a4e27025453bd4fd SHA-256: 941deaf98a0c0c964f060f3ac9708bcf791757f1db522d8a9de0cc0b941748b3
194 Risk Score

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/pify?keyword=paradise+lost+sparknotes+pdf In PDF document text
    • http://files.yoursinfashion.com/uploads/1/3/1/0/131070238/6946921.pdfIn PDF document text
    • http://files.nash-style.com/uploads/1/3/1/8/131856071/3869394.pdfIn PDF document text
    • http://files.vaneatonmusic.com/uploads/1/3/2/7/132710690/6925200.pdfIn PDF document text
    • http://files.mayraaustinbusinesssolutions.com/uploads/1/3/2/8/132815924/13d8c1e30c.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/duliwoledemovaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1471/7599/files/77622549575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5789/7882/files/58924589483.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1618/3205/files/soduxeveto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0842/6147/files/lezipunekekegoxavenagixem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7260/1756/files/45784005180.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5883/0231/files/82822109661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5318/5174/files/45403802830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4241/4493/files/ladineru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2348/3548/files/36330168616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9151/5809/files/65909986785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6450/0122/files/jomolizolonemef.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

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF49 4888 bytes
SHA-256: 48140c181aa0fbb9c4cd906bff234baaa97176134fba14fe2241317f491302cc

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