Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6b12deaf0686c8d…

MALICIOUS

PDF

40.3 KB Created: 2020-08-24 14:22:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fd17555f285896ff88dfaa1dd9631aa2 SHA-1: 5db7392744049023090f15fd3ddb72b2c4a7247e SHA-256: e6b12deaf0686c8d95575e4f5f2b1532fb9182482c21d2ebac98a3b0810ab6c1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=joint+stock+company+meaning+pdf, is identified as a malicious redirector. This suggests the document is designed to lead users to malicious websites, likely for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this 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=joint+stock+company+meaning+pdf In PDF document text
    • http://files.fusionfightersdance.com/uploads/1/3/1/3/131381681/2ba09d9dcebfd1.pdfIn PDF document text
    • http://delaziluv.hinghamwomensclub.org/uploads/1/3/1/6/131606349/b33882.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/1/0432/1817/4107/files/28626024049.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4050/6009/files/sap_crystal_reports_versions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7207/0556/files/14267314494.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2000/1178/files/lelifed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8982/1847/files/8859130157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9698/1147/files/behavioural_interview_questions_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/lastpass_vs_1password_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9570/3195/files/zinetorinejizodifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3271/5163/files/asset_management_system_project_report.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 3

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_off00005d28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D28 5504 bytes
SHA-256: e769bf19e6dada54805e4f03a326030ff6e529b49e052427a842467bc8f318a5
font_01_sfnt_off00006fd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD8 10836 bytes
SHA-256: 022c78eb5efc55ae409f48b884f3268997b25b191c3dedade44966badff35ac7

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