Malicious PDF — malware analysis report

Static analysis result for SHA-256 49b60e47e70aa745…

MALICIOUS

PDF

45.2 KB Created: 2020-08-05 18:00:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1501c954214642b1be17864946ddbd25 SHA-1: c149e70f6d23ec228c7d362fdb90389388e13ff0 SHA-256: 49b60e47e70aa74502c012f470cb84cd9eb1d97d6ea9d9ec8d9780c283f1a633
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of a link farm used for SEO manipulation or to host malicious content. One critical heuristic identified a link to a known malicious redirector at 'ttraff.ru'. The ML classifier strongly flagged this PDF as malicious. The presence of numerous links suggests a delivery mechanism designed to obscure the ultimate malicious destination.

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=ceramidas+liquida+pdf In PDF document text
    • http://files.mundingermath.com/uploads/1/3/1/4/131452804/karimam_zerutafupag_jimugumij_zerimim.pdfIn PDF document text
    • http://files.oyeskagreens.com/uploads/1/3/0/8/130874493/kunuvafizaxaf-wuwafovaxuvuj-devobodipax-vakitegiz.pdfIn PDF document text
    • http://files.leveringmill.org/uploads/1/3/1/3/131381985/tizone.pdfIn PDF document text
    • http://files.defy-foundation.org/uploads/1/3/1/4/131410662/1800807b8ef.pdfIn PDF document text
    • http://files.olivetcongregational.org/uploads/1/3/0/8/130813357/c6d6c23c3272ea.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/1/0435/4595/2408/files/zadudefidusudoluma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0631/2098/files/84815457857.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5222/1091/files/jazedigar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4787/0876/files/43048457414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0491/8941/files/33550200207.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0497/6548/files/fowividoxodiwapolosinukod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7449/4369/files/zuwobenowanogav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5296/5789/files/lajerejepawozepowud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8099/1388/files/fidimusipupuzap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7555/9829/files/78525742759.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 8

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_off00006d4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D4B 5220 bytes
SHA-256: 0740363caed450aed3c7c58039ac3ba615f59981a3ea64ed158d5ee106b0abbf
font_01_sfnt_off00007eec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EEC 12268 bytes
SHA-256: 6b983110e1481011899e02197c2f444f9e552787cd1dd48598105c5ca34be8ec

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