Malicious PDF — malware analysis report

Static analysis result for SHA-256 9120e91bd683979e…

MALICIOUS

PDF

51.1 KB Created: 2020-08-02 02:15:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5e0e25ee9f102871d1ed0e82e3dc54b6 SHA-1: 04f0652676551db93fec8230c47cbc49e0fdbfa9 SHA-256: 9120e91bd683979e3fe4232bab77fae9eff610f4bd2c57d7bb5f1b6a5fcd54a6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=dj+khaled+suffering+from+success. The document body, though heavily obfuscated, contains this URL, suggesting the document's purpose is to redirect the user to this malicious site. No scripts were extracted, limiting further analysis of the payload.

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=dj+khaled+suffering+from+success In PDF document text
    • http://files.seizediem.com/uploads/1/3/1/4/131453934/wimokitototukuwemubo.pdfIn PDF document text
    • http://files.indigenouspoliticalauthority.org/uploads/1/3/2/8/132814342/nobirowe.pdfIn PDF document text
    • http://files.butterbeanproductions.com/uploads/1/3/0/8/130874493/kogokulir.pdfIn PDF document text
    • http://files.jennybirmelin.com/uploads/1/3/0/7/130775192/61fa549958.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/1/0434/0462/4021/files/25890776316.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2834/9089/files/17889714699.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7567/4024/files/10334379280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8266/8437/files/fonuratasekeruwabuba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0930/9854/files/gitobezovowoxitibonunexi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6707/9830/files/elementary_principles_of_chemical_processes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7731/2411/files/tobolivu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3956/3686/files/vefej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6585/1542/files/79925892185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7679/4021/files/begotusavoko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9113/1557/files/16684372010.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6204/2529/files/gaxarozipubekewasipow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0835/2679/files/60030104167.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_off000088d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88D7 5576 bytes
SHA-256: 0adeb668ce42bd4f07bf72e4421d0fa24996b13584f592a6e11d6b3ece7dc7b6
font_01_sfnt_off00009bb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9BB0 10348 bytes
SHA-256: a6f29a4b0ecd96fbd6f2e54637e0824e172042422bfd25c8d3ba8b4f2cb43204

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