Malicious PDF — malware analysis report

Static analysis result for SHA-256 14f4491b15cb4f52…

MALICIOUS

PDF

39.0 KB Created: 2020-09-20 05:27:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 84cf6f989646a1bf514a20ec00f0da2e SHA-1: 37394e8be8fc06255c24c3bf7a6424ccadc5cbec SHA-256: 14f4491b15cb4f524756fcf393dc5f4c096c9a37bf7223c77f054808746ae1b7
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many pointing to redirectors and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier strongly flagged this PDF as malicious. The primary lure appears to be a guide, with the embedded URL https://ttraff.me/wix?keyword=amazon+mayo+clinic+guide+to+stress+free+living suggesting a phishing or social engineering pretext.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.me/wix?keyword=amazon+mayo+clinic+guide+to+stress+free+living In PDF document text
    • http://files.3dswebpage.com/uploads/1/3/0/7/130740249/givujowaxavivatofepi.pdfIn PDF document text
    • http://gufezujem.arlordpac.ca/uploads/1/3/1/0/131070719/2480346.pdfIn PDF document text
    • http://files.silveremmagray.com/uploads/1/3/2/6/132680781/kiletexi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://c62f45cf-7da9-4487-8212-5cd0598d5a2a.filesusr.com/ugd/7e0eb0_d92b1b2b3d50485289cf0a9c26bc4cfd.pdf?index=trueIn PDF document text
    • https://d9637bf4-c8f9-47f1-8e79-3f9286609799.filesusr.com/ugd/f103bb_4668b078e35845ca841785d2cc1d28b5.pdf?index=trueIn PDF document text
    • https://6efeb952-2415-4264-a668-9a0ace2bb1b0.filesusr.com/ugd/d7d6cd_8577ea3e5b4d4f7bb85d51d13e1a78e8.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2246/7750/files/22354547719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/79894841610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doworefobose.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/2160/2714/files/11477721418.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0807/1592/files/46767061358.pdfIn PDF document text
    • https://42217236-c2ae-4ada-9c2a-8271bd40bd1d.filesusr.com/ugd/c722c2_945061b8843d4f76b7992a3e49342db2.pdf?index=trueIn PDF document text
    • https://9287538a-8e97-49bf-82c9-3036b7b2205a.filesusr.com/ugd/daca0d_f39da0cefdf946948dd1ed3b2927dec8.pdf?index=trueIn PDF document text
    • https://8d56087f-8012-4764-9ab0-cc62be86a7bc.filesusr.com/ugd/0aab01_596a7a15bdc1489c87e4bbe661e3899a.pdf?index=trueIn 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_off0000595a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x595A 5544 bytes
SHA-256: 94ce66cd05f0c2a8400cd9e0e7925d9eaaf0e6fbdfe7a51de766aa2815ae699c
font_01_sfnt_off00006c34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C34 10384 bytes
SHA-256: 92c562e97b61a8b5f1d877484d2dadbe6ef4f621eeeff153b56d7df93bb4ed57

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