Malicious PDF — malware analysis report

Static analysis result for SHA-256 d85359fb36d23de1…

MALICIOUS

PDF

40.0 KB Created: 2020-08-05 15:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b9ecdc96fbf6dfaf1deb6ed365341d53 SHA-1: e7dc63a01c54084b8729a2b3988c8626fcd1bfd1 SHA-256: d85359fb36d23de10abf18510f4f821f56a821c1f98a298d85f774d53455d232
194 Risk Score

Malware Insights

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

The PDF contains a link to a malicious redirector, ttraff.com, which is disguised as a search result for "Bhagavad Gita online pdf english". This redirector likely leads to a malicious payload. The PDF also contains a large number of embedded links, many pointing to Shopify domains, which is characteristic of SEO poisoning or link farm tactics to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.

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=bhagavad+gita+online+pdf+english In PDF document text
    • http://files.ytbimex.com/uploads/1/3/1/4/131437515/malulikuxulaji_golerilamago.pdfIn PDF document text
    • http://files.noelironart.net/uploads/1/3/1/4/131408170/wijejukixul-surekapulodad-kujidevu.pdfIn PDF document text
    • http://files.fam-ilyproducts.com/uploads/1/3/2/6/132681823/lupowadida.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8038/4674/files/59935761057.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0623/8613/files/29001226796.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1714/1415/files/fonovemifo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0778/6657/files/49460787027.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6135/4389/files/73531095533.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7492/0347/files/fegopisalikadol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5592/2856/files/bologa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7643/5612/files/84864162090.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7086/5060/files/pixelukegofozis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8406/3654/files/galove.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 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ff1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FF1 5316 bytes
SHA-256: aba3c6b2ce55b2511a469b70bc23fd6f16e29bc7a63d22f342321de7b4bf181f
font_01_sfnt_off00006217.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6217 4004 bytes
SHA-256: c7db7fa60cb4bb35cdd64ade2d726393478e2603adcf7556ce8373b2844563e4
font_02_sfnt_off000070e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E3 10112 bytes
SHA-256: b17db27d60c4d0c9eb30d385af4be4190ab3130e0ecbbc84f3c6e4e58b01d2ae

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