Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd60ca544373a74c…

MALICIOUS

PDF

72.6 KB Created: 2020-08-09 11:16:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3834086a6c4bcb337a3bea26d1f1e1e1 SHA-1: fa73e7aad1d0f6ac31305ca5f3ddd96dde2055ee SHA-256: bd60ca544373a74c63c13bb14c36fadb5465e6bc2db7ccb2e60e2d674774f906
194 Risk Score

Malware Insights

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

The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The embedded URL 'https://ttraff.cc/pify?keyword=bureaucratic+approach+pdf' is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDFs, suggesting a coordinated effort to distribute malicious content. The ML classifier also strongly indicated maliciousness.

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=bureaucratic+approach+pdf In PDF document text
    • http://files.romehomelb.com/uploads/1/3/0/7/130775850/efb520a3679b5d.pdfIn PDF document text
    • http://files.discoveryexpresskids.com/uploads/1/3/2/6/132682790/ruzudo.pdfIn PDF document text
    • http://jozidibug.courtneyhoelscher.com/uploads/1/3/0/7/130775169/1221014.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/1/0430/6763/7917/files/cablevision_channel_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4129/0402/files/27811678872.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/8014/3268/files/linux_command_cheat_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2042/7157/files/biwenemipopizenubalu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8144/1181/files/ketojifusuwugi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5308/8921/files/duwizazosivigupaje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7901/6360/files/mejarubudolibulenilot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5604/7004/files/retail_banking_services.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0505/1029/files/zejumar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/4293/3657/files/document_avoir_confiance_en_soi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0584/5397/files/genemopoxevogikuxufutofos.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_off0000dc4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC4F 5080 bytes
SHA-256: a09517fb5a7623cc1030e60e6c4646e2b5eaaf33c3004b68b27b4fe5985d5dde
font_01_sfnt_off0000ed96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED96 11772 bytes
SHA-256: 74042487ab5fcb89e3e0b13ba01c1549c78c1d223375ff1ef9f17d2971363bab

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