Malicious PDF — malware analysis report

Static analysis result for SHA-256 1fe243a52d2ecd91…

MALICIOUS

PDF

76.4 KB Created: 2020-07-31 10:03:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d250e8cf0490e80540aa02610a5ee84d SHA-1: d2a4c50942595371b8b79a72163a28e999bd5d55 SHA-256: 1fe243a52d2ecd91af3fd901ca239dbde54935a6bb24a08180444f29986b7a72
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to lead users to potentially harmful websites. It leverages a link farm strategy, embedding numerous links that point to redirector infrastructure, such as 'ttraff.cc'. The document body, though heavily obfuscated, suggests a lure related to 'ethical leadership theory pdf'.

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=ethical+leadership+theory+pdf In PDF document text
    • http://files.simplyamazingskincare.com/uploads/1/3/0/7/130739369/9507410.pdfIn PDF document text
    • http://files.amberhazexxx.com/uploads/1/3/0/9/130969616/kevati.pdfIn PDF document text
    • http://files.chavemusic.com/uploads/1/3/1/4/131409463/476fb6bbfdfb7d.pdfIn PDF document text
    • http://files.ichcnj.org/uploads/1/3/0/9/130969218/zenufuwagovex-ponuvozotiko-vowubuluso-wiroratow.pdfIn PDF document text
    • http://files.davesartdimensions.com/uploads/1/3/1/6/131606348/vojetiborakupo.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/1/0431/9733/3664/files/21781607978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2348/3548/files/1107789530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4712/4135/files/25626409053.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5544/7202/files/mikenogabuto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8089/8973/files/28825354573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9299/2410/files/bexafepuzavokoxisezisuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3582/0185/files/pananefazo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0333/0209/files/62083017636.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0096/1947/files/sifafenowawipanuzedoro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4553/5400/files/82647125770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6701/4297/files/xetotitovumijonoro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5464/5916/files/47328885768.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_off0000edc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDC0 4984 bytes
SHA-256: c9fbf48b1eee6d65a28afbf2a3133f2ca5fe603fd83dbcb702cb660eaa72b4d9
font_01_sfnt_off0000fec8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEC8 11140 bytes
SHA-256: fb332bf1bdf397b806fb04f02fbf66cc425201dfb2994f093caa06e1197985e7

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