Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ac556e2c3868e6…

MALICIOUS

PDF

41.6 KB Created: 2020-08-16 16:51:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 73faf43399f6c072bb27d2a832cd2975 SHA-1: df6cc88ce8cb79bcb6a6a5413f4cebf7b7a04d92 SHA-256: 40ac556e2c3868e64715e21ba02e2546304b42587ac714caec5405b8ac821150
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=walmart+farberware+air+fryer+manual'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one leading to a Shopify domain. The document body, though partially corrupted, contains text related to a 'Walmart farberware air fryer manual' and the malicious URL, suggesting a lure to a scam or phishing page.

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=walmart+farberware+air+fryer+manual In PDF document text
    • http://banetaku.mytreasuresearch.com/uploads/1/3/1/3/131383434/numoj.pdfIn PDF document text
    • http://files.endlessglass.co.uk/uploads/1/3/2/8/132815220/01d6e8a0.pdfIn PDF document text
    • http://files.pendurthisurgicalassociates.com/uploads/1/3/0/7/130739204/0000392.pdfIn PDF document text
    • http://fapozase.teddybrighton.co.uk/uploads/1/3/0/9/130969408/da8c9.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/1/0432/8439/8244/files/lotokitogelegafomow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kopamidije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8797/8905/files/top_ps1_rpgs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2003/3943/files/carothers_real_analysis_solutions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4803/2666/files/axis_bank_credit_card_closure_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3183641906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96989945255.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/8103/4917/files/47161389401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8841/8718/files/effects_of_stress_on_employee_performance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/pepagajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7754/1791/files/refufib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3325/5323/files/abandono_escolar_tesis.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 2

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_off00006620.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6620 5084 bytes
SHA-256: b0db48918a38bd034b32f543c43e87007a229370210fd15309a9ea7d86497050
font_01_sfnt_off00007772.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7772 10016 bytes
SHA-256: b0e568e9435e0309bd9987e9bef105f46af810299bf53744f9add66e52e1f9f0

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