Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb0196fd70668c22…

MALICIOUS

PDF

48.4 KB Created: 2020-08-06 06:43:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 81da4aec03997f775d96f91e0d6d9bcf SHA-1: 408d51c07e22f4fa6ef6c32efb75b02284813a23 SHA-256: fb0196fd70668c22f0e1e28d24987820044bc4d42605f92c77b10083a0923bb0
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF contains a mass of external links, including one pointing to a known malicious redirector at ttraff.com. This suggests the document is designed to lure users into clicking malicious links, likely leading to further compromise. The presence of numerous shopify.com links indicates a link farm strategy to improve search engine visibility for malicious content.

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=cursive+alphabet+practice+pdf In PDF document text
    • http://files.catereedphotography.com/uploads/1/3/1/4/131483235/8529443.pdfIn PDF document text
    • http://files.boonerplots.com/uploads/1/3/0/8/130813448/xiluxiriporumupiso.pdfIn PDF document text
    • http://files.seizediem.com/uploads/1/3/1/4/131438741/vewim_gifesimefipotu.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/1/0436/7027/4201/files/80848451787.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5419/4085/files/zugijevat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4686/8891/files/42187823113.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9123/7794/files/fundamental_electrical_troubleshooting.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/vocabulary_list_for_bank_po_exam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6669/3534/files/occupational_therapy_for_autism.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2821/8010/files/76756004097.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0077/2254/files/arbatel_de_magia_veterum_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/xobamaborinakodosavivunew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8893/6102/files/vyond_comedy_world_character_creator_github.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_off000077fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77FE 5348 bytes
SHA-256: 64c39e6073540eb1cc7b8182e63769008cccccf076afed98e0dee94768070e02
font_01_sfnt_off00008a21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A21 13420 bytes
SHA-256: 67bd90db5b37a94d73e62dfe6db543b00ee26bb002ae4512ca9d2379d0de2063

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