Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5edda6fdbc15d51…

MALICIOUS

PDF

44.1 KB Created: 2020-08-21 22:10:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1266b5931a8b7f7bf40c39c3729e19f5 SHA-1: 2db0b9b175cc39bf99fc4f7e4dee9663d6735f1a SHA-256: b5edda6fdbc15d51e0bf21300d20abbc8db0a49af499ff7609c3556e1ab3db07
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to redirector infrastructure. One prominent URL, https://ttraff.com/pify?keyword=bell+bottom+movie+kannada+song, is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting a phishing or scam attempt to lure users to malicious content. The ML classifier strongly indicates 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/pify?keyword=bell+bottom+movie+kannada+song In PDF document text
    • http://files.spiritwalk.info/uploads/1/3/1/4/131452935/3407478.pdfIn PDF document text
    • http://files.guerrillazoo.com/uploads/1/3/0/7/130739616/5761426.pdfIn PDF document text
    • http://golagaj.doggiestylezinc.com/uploads/1/3/1/4/131407995/pesebefudupavav.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/1/0452/1564/5856/files/que_son_los_antimicoticos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7722/1017/files/xutusuwob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0111/0940/files/8478978220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9232/8104/files/sopuxofagetikelalopi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2138/3333/files/23885031601.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0909/7376/files/67860450978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2378/5370/files/8751603013.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31670740491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6186/9733/files/asma_bronquial_tratamiento.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6539/2804/files/bepamasajijusilozejupa.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_off00006664.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6664 5360 bytes
SHA-256: d5cb52e6e15fa9a49372f5807cc05c1076f1a6666ca190b1b67fa1e141985ccc
font_01_sfnt_off00007895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7895 13036 bytes
SHA-256: 40c5721bf9c5ab3c323c0f07c746757ff2829a5f8c9be8526b1d280b4fc01114

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