Malicious PDF — malware analysis report

Static analysis result for SHA-256 42ffe505d10d6cf6…

MALICIOUS

PDF

48.4 KB Created: 2020-09-10 14:47:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2476d5bd24df8270918bc211b62428e7 SHA-1: feaa43495ae63fbaf1836ca003237fb1de7e0d62 SHA-256: 42ffe505d10d6cf679afff2875885dfd69b6d6c713e9e41cbf76281e30397d7b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The embedded links, such as https://ttraff.com/wix?keyword=canon+music+sheet+with+letters and http://files.flynnmediagroup.com/uploads/1/3/1/3/131378899/raxaduxuxa.pdf, are likely part of a campaign to lure users to malicious sites. No scripts were extracted, but the PDF structure itself is designed for link distribution.

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/wix?keyword=canon+music+sheet+with+letters In PDF document text
    • http://files.flynnmediagroup.com/uploads/1/3/1/3/131378899/raxaduxuxa.pdfIn PDF document text
    • http://jixara.kylecarrollart.com/uploads/1/3/1/4/131453540/bewuwefefivit.pdfIn PDF document text
    • http://files.fishsmarttackle.com/uploads/1/3/1/4/131483184/tizaxedefugun.pdfIn PDF document text
    • http://files.breadventuresnj.com/uploads/1/3/1/6/131637240/zoware.pdfIn PDF document text
    • http://jobufoj.maynardsdoco.com/uploads/1/3/2/6/132682883/16212f6.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/1/0432/5651/2667/files/company_profile_air_conditioning_services.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9249/9868/files/8884719335.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7753/2822/files/jemib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8524/1245/files/maslows_theory_is_sometimes_called.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5152/1947/files/19421027736.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9757e7_cde1d3eecd4944288e59fc671ab35799.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/9d869b_517696c2ca8949dd90b563991540da8f.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 5

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_off0000782f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x782F 5036 bytes
SHA-256: ff5c704a8c46223c89b33b63d97dc70ecf008ee93a2260e15076a1197f809351
font_01_sfnt_off00008932.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8932 13808 bytes
SHA-256: 9e9924c3b353c336736a7e51e32a8f04a1f2bba9db9713037fe85be3130b591b

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