Malicious PDF — malware analysis report

Static analysis result for SHA-256 17a978b703dfe4e3…

MALICIOUS

PDF

49.2 KB Created: 2020-08-09 18:10:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a3852dbe4fb94e18b6957ef654324219 SHA-1: edef52869040fd110343e4d0dae4826d855025cf SHA-256: 17a978b703dfe4e33b51b784181b7d5fa5ffb51ac708b7dbbe82c56ac870c71d
194 Risk Score

Malware Insights

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

This PDF document contains numerous links designed to appear as free downloads, but they redirect to a malicious domain, ttraff.com. The document body itself is heavily obfuscated and contains embedded URLs that lead to this redirector. This pattern suggests a phishing or scam attempt, likely aiming to deliver a secondary payload or harvest credentials.

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=manual+de+arduino+nano+pdf In PDF document text
    • http://files.haciendalacapullana.com/uploads/1/3/0/7/130776594/93f08bd7b3645.pdfIn PDF document text
    • http://files.natureismagic.com/uploads/1/3/2/7/132712323/6255996.pdfIn PDF document text
    • http://renada.well-estar.com/uploads/1/3/0/8/130874284/posuwejitipo_kojapekipex_sujuk.pdfIn PDF document text
    • http://files.oceanworksgroup.com/uploads/1/3/2/7/132712063/jesonozu_rizotemotux_wefafikenabu.pdfIn PDF document text
    • http://files.yestocake.com/uploads/1/3/0/8/130814052/10e86bba.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/1/0433/4062/8136/files/75883225807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8767/6063/files/57822063770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2888/1313/files/blank_resume_format_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2562/1404/files/jaguar_xk8_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5419/3057/files/buwosovanomodujesojubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8970/5625/files/sozavevuliz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9333/4947/files/ansi_c_balaguruswamy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7623/1063/files/49644806088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8570/8953/files/lonukixonakisugatiwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6527/8625/files/pugurepolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9055/8620/files/vapatizob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76640573288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7201/8845/files/pipex.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C1C 3028 bytes
SHA-256: 01907948eb0cf59a87d4879f4838f55e04c4a375146b1af76c44a2761a09b1de
font_01_sfnt_off000076e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76E9 4864 bytes
SHA-256: 0ebcf19dc01f05e11ed83df8fcfa1aff562991a892c7038244fca6906ec0faa9
font_02_sfnt_off0000878f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x878F 15392 bytes
SHA-256: 3954bdeabc259b76e4cd4126f49df6c0ebda89203e1fe81c16c9d7f48cace7ec