Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dd72eb495d30c11…

MALICIOUS

PDF

44.5 KB Created: 2020-08-07 16:28:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2670c1498740328b82f77822a4661e92 SHA-1: 4ec91b8fb8e96716373423fcac487ce15bfa5232 SHA-256: 2dd72eb495d30c11cbd41d1e5e93ef4df7a618eed8d586c8aa198f388ce10fbb
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 pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL. The presence of numerous external links, many hosted on Shopify, suggests a link farm or redirection strategy. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to redirect users to harmful sites.

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=universal+bending+machine+pdf In PDF document text
    • http://files.beaverstatedental.com/uploads/1/3/2/8/132815148/kowij-vifax-potowumu-memimatezusimet.pdfIn PDF document text
    • http://xofuxi.lazyachievers.com/uploads/1/3/2/6/132695818/9bfff36.pdfIn PDF document text
    • http://files.therealgodson2911.net/uploads/1/3/1/3/131380627/4938511.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/1/0430/7235/6509/files/74346409932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/69303458590.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/fuzzy_analytic_hierarchy_process.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6054/3138/files/pumeloxesuwis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9982/4032/files/vorutugofosefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/2826/2560/files/corpus_linguistics_and_linguistic_theory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/73475030205.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4532/9832/files/60603981725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7613/0718/files/bookseller_of_kabul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9439/2485/files/bible_quiz_in_telugu_free_download.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 2

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_off00006e4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4F 5760 bytes
SHA-256: 3b816909ae8a40bd898c4946ec26b1959886e0da3619d19c6d857dceeb3affc4
font_01_sfnt_off000081c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81C2 10336 bytes
SHA-256: 9edca380994e07bc1ec6dd2cb284a906a5097255f2ff409d51bfa4d779f2ab27

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