Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e0062bc91b5e9ac…

MALICIOUS

PDF

48.1 KB Created: 2020-07-28 19:31:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1bca1cfc251b45d30fd7a0a35658162e SHA-1: 6aacf7cbb05bde2227a90beef8a1f778a0accf1c SHA-256: 9e0062bc91b5e9acb0be7448842ff7e4aca0c73223bb7bc4689d493599d49e42
234 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment T1071.001 Web Protocols

The PDF file contains a fake CAPTCHA lure to trick users into clicking a link. This link, 'https://ttraff.ru/pify?keyword=usb+bootable+device+software+free', leads to a known malicious redirector. The document also hosts a large number of external PDF links, many pointing to Shopify, likely as part of a link farm to improve SEO for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.ru/pify?keyword=usb+bootable+device+software+free In PDF document text
    • http://files.kootenaycolumbiatherapeutics.com/uploads/1/3/0/8/130814680/02c90a887.pdfIn PDF document text
    • http://files.proyecto1867.com/uploads/1/3/2/3/132302913/mozolejemi-vexiramiga-leselu.pdfIn PDF document text
    • http://files.vk3sn.net/uploads/1/3/1/8/131871894/d40f274a4b81b4.pdfIn PDF document text
    • http://files.trinitypreparatoryschoolnj.com/uploads/1/3/0/7/130739043/mekumawimotuzove.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/1/0435/6240/1947/files/zebagukip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3461/4688/files/46684622105.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1570/8573/files/tuxevaniges.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0118/4417/files/ganul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8418/4728/files/46540259924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6049/3474/files/47561531170.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5517/8150/files/60126769769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8601/0776/files/kapujakesevesiwonutija.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2371/8805/files/48998724721.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9338/4599/files/pezulisawim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3804/6365/files/nikoxirexuzawara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1877/2903/files/ginojixe.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_off00007f96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F96 4980 bytes
SHA-256: 352d665e840b3ff0ed7b9801a39b372d6fbe708cde2347cabc6d739ec2226d22
font_01_sfnt_off000090a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90A8 10040 bytes
SHA-256: 6302594c5ea1281b0d3d97c4311f3204c15bef4fb0861cddb284c9df300847fc

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