Malicious PDF — malware analysis report

Static analysis result for SHA-256 72059dde8a10103b…

MALICIOUS

PDF

36.8 KB Created: 2020-08-25 18:45:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e893cf8c29f603d1e3929c7d349d7fce SHA-1: d75b4e8ce6e89accb72ad615af3f243c8b97e0f0 SHA-256: 72059dde8a10103bced8813fbe86bb4c281323af7ef00f82800e94c9d1639e13
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to redirectors and SEO link farms, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. The ML classifier strongly suggests maliciousness, and the overall structure points to a tactic of luring users to external malicious sites.

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=herido+pero+aun+caminando+libro In PDF document text
    • http://files.hoodoohealing.net/uploads/1/3/2/7/132740930/zugugavapiz.pdfIn PDF document text
    • http://files.kasakesari.com/uploads/1/3/1/8/131860204/be5577b9.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/1/0430/0318/3258/files/47880771135.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3146/8951/files/john_deere_260_backhoe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5059/8562/files/78768037748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/1933/7632/files/jijaxavirix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4686/2997/files/kevuxepuvitikevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6878/3773/files/cambiar_a_word_descargar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0797/5330/files/vanav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/6628/9302/files/15574378200.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7415/0809/files/xudefaladutageguse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3641/6936/files/jokativamoj.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_off00004ed2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4ED2 5144 bytes
SHA-256: 57e6e7446cd95b06b9b4f720adb2db64c2778e988d0801b29b0be11f4b04ca86
font_01_sfnt_off00006027.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6027 11360 bytes
SHA-256: 29db451a6e15955be1c3c40c4b827b9aa276fdbbf95028e3a40e760a18f8a29d

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