Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e2daee6a4b77325…

MALICIOUS

PDF

45.2 KB Created: 2020-07-26 12:41:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 922102e991218ed7b4f201393da69b3d SHA-1: 08e2769426b2d9919d4680789152cb063e9c6ca3 SHA-256: 6e2daee6a4b773255c1a55344d79c6278b7ffb9190fce38ef1bd23e86e7ce0be
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector infrastructure, specifically identified as a lure for free downloads. The primary redirector URL, 'https://ttraff.com/pify?keyword=curso+de+calefont+ionizado+pdf', is flagged as malicious. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. The ML classifier also strongly indicated maliciousness.

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=curso+de+calefont+ionizado+pdf In PDF document text
    • http://files.anikasten.com/uploads/1/3/1/4/131453636/7488570.pdfIn PDF document text
    • http://files.oztriathlete.com/uploads/1/3/0/8/130815381/0c13b35d3bbfa4.pdfIn PDF document text
    • http://files.madisoncommunityband.org/uploads/1/3/0/7/130775261/tomibesid.pdfIn PDF document text
    • http://files.cancercure-fund.com/uploads/1/3/0/7/130739340/2000335.pdfIn PDF document text
    • http://files.robertmckayjones.net/uploads/1/3/2/6/132681453/1388251.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/1/0430/6183/7981/files/9920790697.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4647/8759/files/8034420331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0026/5878/files/32691744439.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9275/4076/files/zanagugakinaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9850/4354/files/82522610184.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0741/0329/files/22073932249.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4977/0408/files/gawiwoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9897/1038/files/wuwizurojijezifamokapoker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8125/2512/files/64633862536.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4797/5062/files/kawutitafidivima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3630/2750/files/mumuderazunexinuxonuxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3287/0037/files/33940701711.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_off00006f2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F2A 5104 bytes
SHA-256: b6c0dd3898a64db361bfafd57ab99ba10b81c992023c05882c81b41c1927b2d3
font_01_sfnt_off0000809d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x809D 11704 bytes
SHA-256: f878198d8514d42d0e10621ce04507039a9f249a51d9cb20523a8dd06f7a3630

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