Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfbf3facaf87ce03…

MALICIOUS

PDF

36.2 KB Created: 2020-08-16 21:30:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7933d44fe069297f4ccb22670d8fe738 SHA-1: 6fe86e4e866c39b8eafe53797f87c09dd940d963 SHA-256: dfbf3facaf87ce033246d6561ad6c64354b6656b6f3a5fa7b3fc5965cef0da63
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically 'https://ttraff.com/pify?keyword=watlow+aspyre+manual'. This indicates the document is designed to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to obscure the malicious redirector. No scripts were extracted from this sample.

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=watlow+aspyre+manual In PDF document text
    • http://files.supernaturaltraveler.com/uploads/1/3/2/7/132712011/jutib_geriv_jixobokole_titajigesibef.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/1/0437/4816/3733/files/20527387053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0444/3389/9686/files/bugzilla_tool_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/75006907830.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4516/7008/files/kiran_publication_bank_po_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4016/1435/files/agnes_martin_lugand_libros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4012/6614/files/63269432200.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2936/3878/files/zinigupizomon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3201/9097/files/23681527115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0819/5751/files/escala_cromatica_teclado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2074/6906/files/84527354285.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 3

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_off00004dcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DCF 5172 bytes
SHA-256: 596021949209a5ac9547d70fd3f70b9e4cde0f1432728a2cd3b4acad5272555c
font_01_sfnt_off00005f6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6B 10488 bytes
SHA-256: 5247866988c6c23d736265fb3425d3413b4ae9d82f53f852410cd1483027b579

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