Malicious PDF — malware analysis report

Static analysis result for SHA-256 516049e0ad4db2b4…

MALICIOUS

PDF

35.0 KB Created: 2020-08-15 03:23:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 65050dd8d66e5c180f7d5c3bc5f4588a SHA-1: 58ff4b65040d058710edbdb47bd0936ac938cf08 SHA-256: 516049e0ad4db2b41f67cbd40f8df7b01273b9cfe959c6aed0ef4bdcf507c8c7
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=kesariya+balam+audio+song'. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on shopify.com. The document body, though heavily obfuscated, contains references to the malicious URL and benign-looking PDF filenames, suggesting a lure to a malicious site disguised as a document or media download. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=kesariya+balam+audio+song In PDF document text
    • http://nutabubox.eco2magnesia.ca/uploads/1/3/2/6/132695742/xefekituwabaf_fisibaxog_lomiwepidibom.pdfIn PDF document text
    • http://files.olddutchflavor.com/uploads/1/3/0/7/130739043/9597941.pdfIn PDF document text
    • http://files.wesleytbrown.com/uploads/1/3/1/8/131856065/32d4b0.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/1/0440/2456/1829/files/99233949087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4299/5352/files/libokosebudol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2670/8637/files/ccna_routing_and_switching_short_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7160/2855/files/pimewuludeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9687/3885/files/26118561595.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2160/6817/files/96290808657.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3070/6333/files/86880083512.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5794/6519/files/64232257765.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8328/4136/files/dokog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6345/9486/files/18223915213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5905/9615/files/37429242222.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/lapokeduwofirumokaxuwa.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_off00004836.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4836 5356 bytes
SHA-256: 6a67e68113a1f9dca30a490bd0ac2abeb4fd276691ea68aa97a2067a6d4bf18b
font_01_sfnt_off00005a56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A56 10376 bytes
SHA-256: 3cd5b73f6994c15f7e5af4b83aaaa5b61eed6b59d24d41e8b798a6a4ca88b041

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