Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f380548f8c16c56…

MALICIOUS

PDF

33.6 KB Created: 2020-08-03 04:02:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 48670f51fce2cd7d1e6f22e93b35e83c SHA-1: feea8bc024f3e52ac010b1cf116077b13a02dab9 SHA-256: 3f380548f8c16c5670ac5d32f8a0ee51b64b06f250dec997558cd8161f16bd36
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with a critical heuristic firing for PDF_SEO_LINK_FARM. One of these links, https://ttraff.ru/pify?keyword=lowes+enid+ok, is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to external content. No scripts were extracted from this sample.

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.ru/pify?keyword=lowes+enid+ok In PDF document text
    • http://files.handmadeofvillage.com/uploads/1/3/0/7/130739991/9c00f47b3.pdfIn PDF document text
    • http://files.theexcitededucator.com/uploads/1/3/0/8/130874204/xozupane.pdfIn PDF document text
    • http://files.castlehill-training.com/uploads/1/3/0/7/130739916/f19381b23d.pdfIn PDF document text
    • http://files.allseasonspr.com/uploads/1/3/1/3/131398497/cece0ea8.pdfIn PDF document text
    • http://files.utopianlandscapes.net/uploads/1/3/1/6/131606878/gumixegexesagakopon.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/1/0440/1207/7206/files/wokoda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4101/2382/files/91767359626.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9162/4096/files/35857068141.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4015/1464/files/86866046916.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/smith_corona_typewriter_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6504/0286/files/jirijakanuziratolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6095/3249/files/10323080515.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2891/4074/files/sugime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5009/8078/files/35501174911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5354/7677/files/rowogukerigudezaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1384/0793/files/nafuxememadup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7927/9527/files/76696710540.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4687/8882/files/19475825818.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 3

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_off0000488c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x488C 4580 bytes
SHA-256: 906f39347ad4e19cb8f6688dbfd2947d5bd1c08e557b3d55c8ccc320002cf155
font_01_sfnt_off0000584c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x584C 9800 bytes
SHA-256: ed2e848af39113b515377fd7d50237032bb83ffb42928fa85aa24d88379119e5

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