Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a245f6fa0b63b34…

MALICIOUS

PDF

121.3 KB Created: 2020-08-06 22:44:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e3ca730daaff0a72e63fd44039c6c6bb SHA-1: 323fe829ff39d59b4fc2a949395b6aaaa59c7484 SHA-256: 0a245f6fa0b63b34d847c7d63c06d7418cdfe25661a9cd6a613145c5c6b1ad1a
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.com/wb?keyword=ipcc%20first%20assessment%20report%20pdf'. This redirector is likely used to obscure the final malicious destination. The presence of a large number of external PDF links suggests an attempt to manipulate search engine results or distribute further malicious content. The ML classifier also strongly indicated maliciousness.

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/wb?keyword=ipcc%20first%20assessment%20report%20pdf In PDF document text
    • http://files.allmatters.net/uploads/1/3/2/6/132683267/302339d04672d.pdfIn PDF document text
    • http://files.alicefernandes.com/uploads/1/3/0/8/130874108/gisewelexukimape.pdfIn PDF document text
    • http://files.westmichiganglsi.org/uploads/1/3/1/4/131409693/234170.pdfIn PDF document text
    • https:///www.ipcc.ch/In 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/1/0434/4256/9383/files/jofotudekanujus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8151/3622/files/novivajogataradejajoze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2756/9576/files/48658070216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66456909559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4044/8410/files/best_book_for_spring_framework.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2197/5197/files/73890459302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3147/7922/files/javoxanivijab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5565/0718/files/moxepusanelivizikukadowoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9515/4069/files/dikox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2396/5079/files/17099481477.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vakijuxek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7742/7609/files/46625029252.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4541/9173/files/timer_for_2_min.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0292/1111/files/rabubezipaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6863/7862/files/nesumidixi.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 5

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_off00019c8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19C8E 5208 bytes
SHA-256: 4536057a404402b8ce156bb02333c212835ae71b5af8146e98620774a84cb751
font_01_sfnt_off0001ae2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AE2E 12700 bytes
SHA-256: fbed889bc4b371b263a655bc2c2b0fcd2d4371540a3bb9aab4da80b69f35e89b

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