Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9a343dbe80fa2e3…

MALICIOUS

PDF

45.3 KB Created: 2020-08-24 18:43:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8296f5a6fc4bfe5012af2d70dd5b984a SHA-1: fb4485670f9c4c74c44e1d9115a138850c6e744d SHA-256: d9a343dbe80fa2e37bb5d53a9cce9783e61126ec690fc28a3c7b761d447d8036
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=convert+tapes+to+digital+format'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though partially corrupted, contains the same redirector URL and a benign-looking Shopify URL, suggesting a lure to a malicious site under the guise of a helpful document. 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.cc/pify?keyword=convert+tapes+to+digital+format In PDF document text
    • http://files.globalcenterforsuccess.com/uploads/1/3/1/6/131637224/b17958144887a0e.pdfIn PDF document text
    • http://files.wildaboutwampum.com/uploads/1/3/2/6/132695568/naposu.pdfIn PDF document text
    • http://files.cafe643.com.au/uploads/1/3/0/7/130775023/8c110b9112b276b.pdfIn PDF document text
    • http://files.afaparents.org/uploads/1/3/0/7/130739826/kareletobaguko.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/1/0428/4104/7206/files/17460817331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3721/9226/files/kinetic_and_potential_energy_worksheet_bonus_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2352/4259/files/nijizugazupapik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1811/5480/files/xoboxitux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0886/8008/files/92492529134.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1804/2018/files/36508481649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3552/5282/files/rafawewavarenuxalofodi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/23173657078.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8179/3698/files/67383622934.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_off0000731f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x731F 5324 bytes
SHA-256: 547c68e148ca3d39f9ae84fcb20d7e710c3f17ff2f77a1988bf95d53145a716d
font_01_sfnt_off00008525.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8525 10276 bytes
SHA-256: 786acaf95dcd5651d76fbf36dab0db599a91e0f63d80dedf44b2659c3e508824

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