Malicious PDF — malware analysis report

Static analysis result for SHA-256 89a0954641524591…

MALICIOUS

PDF

57.5 KB Created: 2020-08-11 05:22:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 241824de96d5cd9e4ee0c6a39a1b6f97 SHA-1: 2e2ecd39a5c1097afdeccf1fb0970e2db14c9d05 SHA-256: 89a0954641524591abccec3ff1612e72a1e928b759a7f0e2eb62191bdc5bfc57
194 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, forming a link farm. The primary link redirects through 'ttraff.cc', a known malicious redirector, suggesting a phishing or scam attempt. The ML classifier strongly indicated maliciousness, and the PDF structure with numerous external links aligns with SEO poisoning tactics to distribute malicious content.

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.cc/pify?keyword=autobiography+of+great+leaders+pdf In PDF document text
    • http://fatuvo.mukhanyo.ac.za/uploads/1/3/1/4/131407440/9469301.pdfIn PDF document text
    • http://wiwowu.sgrhoboston.org/uploads/1/3/0/7/130739592/nelezaxaf-xewob-boguwa.pdfIn PDF document text
    • http://files.beclewisfiction.com/uploads/1/3/1/4/131437702/bekigedobezomij.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/1/0433/3341/9166/files/parathyroid_gland_hormones.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8687/9651/files/9436179243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9714/6019/files/rbi_banking_regulation_act.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1435/7145/files/makalah_daulah_abbasiyah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0846/6845/files/tudagamerosuturiwelezes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8202/3061/files/27251243470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5746/3964/files/16029998365.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8502/8758/files/tilanatiwolova.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84574839703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4493/7623/files/60ktyz_synchronous_motor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/welilavuruwad.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8279 5532 bytes
SHA-256: 467002ca245b3ed48c28fd9c591ae4a22ce737c483251fec3daaaa07b3c955c2
font_01_sfnt_off00009547.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9547 14800 bytes
SHA-256: 0765dac0a20542311c5ddede897cafd01898f55d43439b2eec4a231f81c735b0
font_02_sfnt_off0000c340.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC340 16312 bytes
SHA-256: 975089639afea594160f6daa1ae948ffc4125994d61a9fd32dce02580f7b6b15

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