Malicious PDF — malware analysis report

Static analysis result for SHA-256 0224e0d9c64bf0a4…

MALICIOUS

PDF

39.9 KB Created: 2020-08-23 00:20:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c0a001ee19c394a8ce5fcfdd3979d8d2 SHA-1: 8a36db5f848ab80ccefba4ec04aba7bb426a1503 SHA-256: 0224e0d9c64bf0a4a869e0214a1858ee74368757a173bafe4cc9220fb35cebaa
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) that is flagged as malicious. The document body and heuristics indicate a lure related to financial information, likely a phishing attempt to redirect users to a malicious site. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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=msci+emerging+markets+index+fund+fact+sheet In PDF document text
    • http://files.trumbullpolicecadets.com/uploads/1/3/2/7/132712251/f5ac8549.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/1/0428/7329/0908/files/67492561709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6742/4416/files/after_marriage_romantic_novels.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5453/7624/files/mots_argot_franais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/ohsaa_physical_form_2016-_17.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3256/8220/files/xufuverobimeworisadoxuma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0922/0503/files/57344451329.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1184/9890/files/4527364838.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1043/1896/files/69377825787.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2910/0701/files/luraruwinef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/jusovajiju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3799/8754/files/pdf_of_encyclopedia_of_general_science_for_general_competitions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8446/3784/files/39088215025.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 2

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_off00005beb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BEB 5540 bytes
SHA-256: c38c4f6b91bed45da4bc3124c6c6a81124a33452b7b9776edb9867b34a48f00b
font_01_sfnt_off00006ea2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EA2 10684 bytes
SHA-256: e2ca054561566d8520b6eb0aed9b78268530d82591b916128cb2aaab721ed050

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