Malicious PDF — malware analysis report

Static analysis result for SHA-256 130e32e0c74f89d5…

MALICIOUS

PDF

49.3 KB Created: 2020-08-18 23:46:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf960514ea2740aac3040ed001173842 SHA-1: 6438ebde7efaab1f890db0360e9b47e056eaad4f SHA-256: 130e32e0c74f89d5c93a9a3c3b99380f267073050fd84bc77140ca24877d924c
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The heuristic firings indicate this is a link farm designed to redirect users, likely for phishing or to download further malicious content. No scripts were extracted, but the structure suggests a malicious document intended to lead the user to harmful external resources.

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=appareil+digestif+vache+pdf In PDF document text
    • http://files.selfcarefusion.com/uploads/1/3/1/8/131856065/rerex_bukuj_netipo_pizigaxagux.pdfIn PDF document text
    • http://files.nicolas-rigaux-photographe.com/uploads/1/3/1/1/131163563/d346a.pdfIn PDF document text
    • http://files.cashatmservices.com/uploads/1/3/1/4/131406811/8833175.pdfIn PDF document text
    • http://files.swiss-german-online.com/uploads/1/3/0/9/130969151/xedoga.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/1/0431/0512/4516/files/83672989884.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5706/7685/files/dejekemenis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/suton.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0704/9877/files/nejijatage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7409/2196/files/midinejigatatorofofaro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0847/3763/files/adventurer_pledge_and_law.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2490/6400/files/91148014322.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2794/5889/files/44996860892.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3989/0327/files/15968787237.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_off00007bf2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BF2 5464 bytes
SHA-256: 3f50bc801a75d27c4a44ce3043811a01a1ef335823d880134301736ea34f6c59
font_01_sfnt_off00008e83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E83 12908 bytes
SHA-256: 6346f5c88bbfcd1c995aa16da6c4d4d17916e8cc8c2ef2e136583515dfbcd60f

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