Malicious PDF — malware analysis report

Static analysis result for SHA-256 669e6494a6380107…

MALICIOUS

PDF

38.5 KB Created: 2020-09-10 00:41:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 121cf3f34544226e23d4636fcb83b630 SHA-1: 7cd4b60cd44de667dee35cf9b12456764dee1e51 SHA-256: 669e6494a638010778ab5c819bc82de2f022d0fca3de7f1fc26986ca5a08378b
234 Risk Score

Malware Insights

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

The PDF contains numerous links to SEO-optimized redirectors, including one explicitly mentioning 'brocade switch commands pdf'. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs suggests an attempt to direct users to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.link/pify?keyword=brocade+switch+commands+pdf In PDF document text
    • http://vusogojox.bacchusmarshrotary.org.au/uploads/1/3/2/7/132712127/6908116.pdfIn PDF document text
    • http://tawosu.nataliebonifay.com/uploads/1/3/0/7/130739573/057f9d07376e.pdfIn PDF document text
    • http://files.ripplearts.co.uk/uploads/1/3/2/6/132681812/8b0c7a4cc81e54.pdfIn PDF document text
    • http://files.pearlywhitespediatricdentistry.com/uploads/1/3/2/6/132695629/9773925.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/1/0431/8652/0224/files/91609064688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5817/5906/files/569014261.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/f1d680_42a8866932594bf2b75dbfa568e72a5b.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/7008f3_2d6010b059d741068fe288182e77e6b8.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0131/4454/files/agglutination_reactions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7012/8277/files/marketing_information_system_philip_kotler.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9832/5663/files/73415479983.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5215/4532/files/xoninam.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_off00005894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5894 5504 bytes
SHA-256: 9e7f9c9b4fcaecf49d275e5e5ffdf59fdfb5190a6077f0d7fec9ddaec38fdafe
font_01_sfnt_off00006b35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B35 10084 bytes
SHA-256: fa5a08241d8bf4f75ad45c551b9b22fd9847a1bdef20ed8dea312aa8558f15e9

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