Malicious PDF — malware analysis report

Static analysis result for SHA-256 296a38260ab03836…

MALICIOUS

PDF

51.0 KB Created: 2020-08-02 19:45:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 650d5b8b33308938683ac9829b5e4209 SHA-1: 5e120cd2cccc6b307256ba408b140cb54c2a490d SHA-256: 296a38260ab038363030f66e27a3eec5bcf9172b2bd0253f9706d10d9e6bd4d9
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF SEO link farm, with numerous links to external PDFs hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the malicious URL and several benign-looking URLs, suggesting an attempt to lure users to malicious content through a deceptive link farm.

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/pify?keyword=nginx+performance+tuning In PDF document text
    • http://files.yvesalizahno.com/uploads/1/3/0/7/130776498/ginetuzenezume.pdfIn PDF document text
    • http://files.petersburgchurchofchrist.org/uploads/1/3/1/0/131070597/4883839.pdfIn PDF document text
    • http://files.easyway-it.com/uploads/1/3/0/8/130813696/ruladuligave.pdfIn PDF document text
    • http://files.jakob-lorber-australia.net/uploads/1/3/1/3/131383727/bininagapis_dawuk_vugix.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/1/0431/5689/7947/files/96308392369.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8245/6981/files/juleb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0392/6939/files/nedubejijaxejunubosagike.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zinigezumapafukutogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0827/0244/files/65479835340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1903/3000/files/vakubemawejivusizitijaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/zelimapazarawubazugixabiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pufabupenidobuxix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/96514327583.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/rateg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7303/4657/files/77095095922.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6240/2965/files/xamafababifotivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51108684678.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008470.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8470 5164 bytes
SHA-256: 2dca5ddfe4443baf5f1fc984f6eae63d5a305236b1b7c2db5708a7fa74e6681f
font_01_sfnt_off000095fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95FD 12708 bytes
SHA-256: 0ca037a25718a21f615919e101866396639bf04b100f2fa95bc7469efec1565d