Malicious PDF — malware analysis report

Static analysis result for SHA-256 c36c0f21c48901d3…

MALICIOUS

PDF

73.4 KB Created: 2020-08-17 13:20:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: af4dcd96dafbbbcd716a6ca4b450871d SHA-1: eb69a7e107a078d14539e8ba9aff3e2bca74f49d SHA-256: c36c0f21c48901d334f8e99c498ef58ca5245a3450ced39f4c4faca7b9a84b68
194 Risk Score

Malware Insights

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

The PDF file was flagged as malicious due to the presence of a redirector link pointing to ttraff.com, which is associated with malicious activity. Additionally, the document contains a large number of external links, characteristic of a link farm, with the primary suspicious URL being https://ttraff.com/pify?keyword=conqueror%2527+s+blade+guide+glaive. The document body contains obfuscated text and the suspicious URL, suggesting an attempt to lure users to a malicious site.

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=conqueror%2527+s+blade+guide+glaive In PDF document text
    • http://files.wissamsouss.com/uploads/1/3/1/3/131384171/gatepurovuzar-lalofadu.pdfIn PDF document text
    • http://files.haleybgreen.com/uploads/1/3/1/0/131070618/nuxodajegusogir_zafagosobe.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/1/0432/4586/3067/files/13574170078.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8451/3444/files/85100745248.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3459/0882/files/lavoloremejazusupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1895/1576/files/fejokev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1691/2023/files/goliwojiwov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8015/5289/files/97972296812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6073/1799/files/noxuberiboputekuwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2430/8630/files/acute_back_pain_stretches.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0234/6148/files/16738535381.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9928/3863/files/kobosevuxifilogonap.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 6

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_off0000e386.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE386 5256 bytes
SHA-256: 10cb70895e0dcfdb10831f4e46c0f360de5689d8007c6a76a377d9776f1c450d
font_01_sfnt_off0000f573.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF573 10316 bytes
SHA-256: 006f8fb5eb7c9e5676b01dd115eb1015e058a0193740a337993edbae94323ad6

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