Malicious PDF — malware analysis report

Static analysis result for SHA-256 632c72f7d0773850…

MALICIOUS

PDF

52.6 KB Created: 2020-08-17 02:05:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5a655953cfbfafaeb200391b112b395d SHA-1: 14014e2bc2f474f7d631e5207328acb160863509 SHA-256: 632c72f7d07738508faf6e36b4d186c06225cbd2f40e3c9dc336042b354eee5d
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body and heuristics suggest a lure related to 'Radha krishna bhajan mp4', likely a phishing or scam attempt to drive traffic to the redirector. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of malicious intent, likely to lead the user to a compromised site or download further malware.

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=radha+krishna+bhajan++mp4 In PDF document text
    • http://xaver.yubakids.org/uploads/1/3/1/8/131872225/1882490.pdfIn PDF document text
    • http://files.iananthonycoleman.com/uploads/1/3/0/7/130776718/9342694.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/1/0429/4891/9450/files/atomic_bombing_of_hiroshima_and_nagasaki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80804151078.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5746/3971/files/find_part_of_day_by_time_python.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5906/1670/files/29930840088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/baixar_jogos_de_futebol_para_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/77212112616.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6739/9575/files/2018-_19_school_calendar_template_google.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_off00008799.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8799 5540 bytes
SHA-256: c7c645f52c88c1aa738f774d5211fe208e2879732ac54ed57c65694d3a7ca76e
font_01_sfnt_off00009a43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A43 13840 bytes
SHA-256: cd12a63d4a5ac6b9c136c947a2f5e06b13f15e38ebcc4a46a4c6e9ffc3eb2f24

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