Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cd9c9c9e3bf1d1b…

MALICIOUS

PDF

46.8 KB Created: 2020-07-30 10:09:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae02a1e658126cd2449956f581ae5bcd SHA-1: 090a8b3ddb1cc1ca45fe17d3d31821324197e4d4 SHA-256: 6cd9c9c9e3bf1d1b245cd818b997b9a5f8b964f6ce5a4163065162b90329a398
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external resources, many of which point to a redirector service (ttraff.ru) that is flagged as malicious. This indicates a likely attempt to direct users to malicious content or phishing pages. The presence of a large number of PDF links suggests a link farm or SEO manipulation tactic to increase visibility of the malicious redirector.

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.ru/pify?keyword=organon+homeopatia+pdf In PDF document text
    • http://files.tenyearsonestep.com/uploads/1/3/1/3/131383934/475a0f9.pdfIn PDF document text
    • http://files.abbykingphotography.com/uploads/1/3/0/8/130813988/b1ea600df0ca894.pdfIn PDF document text
    • http://files.thesanctuaryatmn.com/uploads/1/3/1/8/131856184/d83262d07.pdfIn PDF document text
    • http://files.californiacalvarynaz.org/uploads/1/3/0/8/130874060/1945519.pdfIn PDF document text
    • http://files.midstateinspectionservices.com/uploads/1/3/0/7/130776786/640007.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/1/0433/0687/7080/files/64831632673.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9693/2505/files/6261473316.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6535/2097/files/lezokitajuduwajufukex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5458/7288/files/33304116660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4365/8650/files/widejakatewibuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/bodowexolatapevumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8282/5382/files/86523175005.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2806/2103/files/rotimemetubemiritaginup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7514/1794/files/paweb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2100/9053/files/56046196234.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9183/5547/files/gotifon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4728/0026/files/54659320332.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_off00007a9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A9A 5060 bytes
SHA-256: 74e4ff461100441ffc092ec3eaac612dd3ab3ee3e7249176e0c67eec7f6fe2da
font_01_sfnt_off00008b9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B9C 10056 bytes
SHA-256: 034067e6e3ac9bc391653a01c01e0d8afcf43a4e9581b6a68e958a1591c76f31

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