Malicious PDF — malware analysis report

Static analysis result for SHA-256 f49a1fa52a9e8284…

MALICIOUS

PDF

41.3 KB Created: 2020-07-30 20:12:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2dbc04d5ce6a09e3ef6c07786dc74813 SHA-1: 48ae663c4981de50340e22c3cd534caff972eeb6 SHA-256: f49a1fa52a9e82841e6accd9724398655a8ca1acc4cc1759a59430a7c2e0a93e
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the extracted URLs. The document body, though heavily obfuscated, appears to be a lure related to 'the beatles hey jude piano sheet music pdf'. The PDF also contains a link farm heuristic, indicating a large number of external links, with one pointing to a known 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.cc/pify?keyword=the+beatles+hey+jude+piano+sheet+music+pdf In PDF document text
    • http://files.canoetoneworleans.com/uploads/1/3/0/7/130775228/wadabinopagoza.pdfIn PDF document text
    • http://files.studionministries.org/uploads/1/3/0/7/130739719/vagubiridi.pdfIn PDF document text
    • http://files.trustandestatelaw.net/uploads/1/3/1/8/131856430/mojut.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/1/0431/2891/4087/files/futowuxizakub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5192/5155/files/kolemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jobevemavesofidubuxiwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8325/9301/files/luzizadoremovami.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5344/9365/files/ridimufe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5024/3995/files/nexabemimelenegonazog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9495/7470/files/13654066150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0944/1953/files/mulozabiwokejixivitel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2398/1979/files/nesukavawizapo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9074/7293/files/57436319010.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6350/9143/files/87187519924.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 1

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_off0000617c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x617C 5448 bytes
SHA-256: 78f6942924d365478e337a0ecf4f10595223bab5d5545c39fb14c85129d3fa3e
font_01_sfnt_off000073df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73DF 10524 bytes
SHA-256: 5337571314db6c8f14b382cc0341003a40d6978ebee6a72463b1ae974a969064

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