Malicious PDF — malware analysis report

Static analysis result for SHA-256 6986f0ce8dc8c39a…

MALICIOUS

PDF

51.6 KB Created: 2020-08-03 22:45:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 27c09c2abbea827c7c9f9fe744a02b77 SHA-1: 9740e711f1e058d7db52aaa7ff06d60d23d6506f SHA-256: 6986f0ce8dc8c39a45fb11e786502e31f7cda1fed876d5c25c59323073139389
194 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to a redirector infrastructure known for hosting malicious content. The document body, though obfuscated, contains a URL that also leads to this malicious redirector. The primary goal appears to be directing users to potentially harmful websites under the guise of providing PDF documents.

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=variable+independiente+y+dependiente+pdf In PDF document text
    • http://files.mrlomasenglish.com/uploads/1/3/2/7/132740836/3b93aeeb.pdfIn PDF document text
    • http://files.pjmgoats.com/uploads/1/3/0/9/130969546/tovekugubam-velinonunom.pdfIn PDF document text
    • http://files.fullwavemusic.com/uploads/1/3/1/4/131483249/lewufuf_gulidarasosufa.pdfIn PDF document text
    • http://files.clintonpahistory.org/uploads/1/3/2/3/132303310/1100958.pdfIn PDF document text
    • http://files.feministlibrarian.co/uploads/1/3/0/7/130739811/fuwexe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7513/2824/files/dopusuxupuzaneta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9779/2420/files/gobenawubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6649/8965/files/gikizite.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8921/6167/files/26995384543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2353/1158/files/www._dropbox._com_sign_in.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5344/0414/files/jasubasemoxenenez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0900/5978/files/39535144967.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9028/7517/files/lalogomawubutegabake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9320/5916/files/tokonet.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 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000752e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x752E 4740 bytes
SHA-256: 9d62975ba2a87b34d47ee59dabbbcf98217e433b3ba99e23d293e97f6e276597
font_01_sfnt_off00008550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8550 14588 bytes
SHA-256: 069eb2b37ceda3af0fd28d87c296f38fce30e829166a82340899fc8775083709
font_02_sfnt_off0000b1a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB1A4 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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