Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba3d118325fed844…

MALICIOUS

PDF

44.3 KB Created: 2020-08-10 06:37:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d605a3b8f68ed4162c4d662d5cd944c2 SHA-1: 2b86935a2140d2f3a01ec1c3a1b62a48894c8e57 SHA-256: ba3d118325fed84468011318265273eec8b62e2a98f2881ab3b0bfd1ce7c2b64
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass of external links, including a redirector to ttraff.com, indicating a link farm designed to distribute malicious content. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=candidiasis+en+hombres+pdf', suggesting a lure related to medical information. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it 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=candidiasis+en+hombres+pdf In PDF document text
    • http://files.kaitlinrphotography.com/uploads/1/3/0/7/130776536/susexipojubagiluvur.pdfIn PDF document text
    • http://files.northernfitness.net/uploads/1/3/1/4/131437246/9588946.pdfIn PDF document text
    • http://files.clevelandpropshop.com/uploads/1/3/0/7/130739037/283277.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/1/0432/0323/1903/files/98365835439.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8434/9591/files/38146295870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0772/0099/files/apostila_aula_de_violo_para_iniciantes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/babape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6404/9318/files/jibinazilupafin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5890/5759/files/67278537574.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6133/7494/files/63342072300.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nakawefefaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/49971063521.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6334/4294/files/agrger_deux.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006dec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DEC 5296 bytes
SHA-256: f2c9feb87d0e4be16dab78223ea9961f3081b6f3dfb5ee8b5145410bb693712f
font_01_sfnt_off00007fb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FB2 10832 bytes
SHA-256: 88d027f2c5f8f74d744a53a4019128b51e4f22a5e6013f7ae1e8b7d26f6d9051

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