Malicious PDF — malware analysis report

Static analysis result for SHA-256 db2e9819092db09b…

MALICIOUS

PDF

43.7 KB Created: 2020-08-11 07:08:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fe1e946935ea0b20f1e30568350611fc SHA-1: 7f55d9f072c749d3376c2a66af757fdd86c34510 SHA-256: db2e9819092db09b52da3f8911cfe5f5faed8bbc2f39c3cf2f8cb668e1582b8d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded links, a technique often used to create link farms for SEO manipulation or to distribute malicious content. One of the embedded URLs, 'https://ttraff.com/wb?keyword=drugs%20contraindicated%20in%20g6pd%20pdf', is flagged as a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting it is a primary lure. The presence of numerous links, including one to a known malicious redirector, indicates a malicious intent to direct 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/wb?keyword=drugs%20contraindicated%20in%20g6pd%20pdf In PDF document text
    • http://files.generalhealthy.com/uploads/1/3/0/9/130969957/f9e0e8459f2df5f.pdfIn PDF document text
    • http://files.talkingaac.org/uploads/1/3/2/7/132740805/7623811.pdfIn PDF document text
    • http://fikulusa.sacramento-processservers.com/uploads/1/3/1/6/131637136/39554ab.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1400/2587/files/a_noite_do_meu_bem_ruy_castro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49221060197.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7342/8890/files/auguste_comte_libros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2394/9224/files/towamizonaveg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9496/6429/files/95991290516.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1733/0075/files/exemple_de_certificat_de_stage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4932/0610/files/audi_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1503/5291/files/akiba-_online_giga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4203/7150/files/59144237688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3852/3047/files/xezaturiletobejewerogij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9988/9569/files/57216898579.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 8

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_off00005edb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EDB 5328 bytes
SHA-256: e09c04279fe43bb968a19f811c6abe772d71fcce2c0d97cc03acaa4868f9c43f
font_01_sfnt_off00007101.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7101 10152 bytes
SHA-256: 0ce9a97fbe3d0e499fc2afe3be79167edc10a6c92f773a9b69a670bf5ad0963a
font_02_sfnt_off000093c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93C7 4324 bytes
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c

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