Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc96ec61b3a7eefe…

MALICIOUS

PDF

63.8 KB Created: 2020-08-21 20:12:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b8b93d61e7e12afa01b664e8fc1683e7 SHA-1: 95c0f673e917be356de825980405d273e26dbb2c SHA-256: cc96ec61b3a7eefeb4e256c99dc27667ed63667968b6b1f5561418c87b712933
210 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though corrupted, contains text fragments and URLs that align with a social engineering lure, specifically prompting the user to install a browser extension or update. The presence of multiple Shopify-hosted PDF links suggests an attempt to obscure the malicious redirector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=cyberghost+linux++free In PDF document text
    • http://files.vauntify.com/uploads/1/3/0/9/130969310/2ffaf.pdfIn PDF document text
    • http://funosu.geophysical.eu/uploads/1/3/0/7/130739664/zasoguxigineji.pdfIn PDF document text
    • http://nakax.snugharbormarina.com/uploads/1/3/1/0/131070374/3726499.pdfIn PDF document text
    • http://goburun.franklywithfaith.com/uploads/1/3/1/4/131411688/xulajelusomi.pdfIn PDF document text
    • http://files.annekawalker.com/uploads/1/3/0/9/130969075/puvumozo.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/1/0430/6881/7569/files/1831450880.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/5186/4484/files/zuwojuresomekiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4568/2328/files/99427717041.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wogol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8144/9126/files/88196060100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3846/6467/files/18318941575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3295/2477/files/authority_letter_format_for_sales_tax_assessment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5381/6728/files/loxul.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ae62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAE62 5036 bytes
SHA-256: 355e1e53886283d182b3e6367f0916dfaa9d131d53e03fc3e896a9e13d278e7e
font_01_sfnt_off0000bf91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF91 10772 bytes
SHA-256: 135dea614dbe7b07bf73bb2e8fabe9c4185ac2273201c583e14657a9f4c68a08
font_02_sfnt_off0000e460.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE460 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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