Malicious PDF — malware analysis report

Static analysis result for SHA-256 e55d3eede1632a7a…

MALICIOUS

PDF

40.1 KB Created: 2020-08-14 11:27:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 676ccf45b80a805b4c1bf853abb8cff5 SHA-1: cc917dd4ec3c661be91c90dd9580531e0db7269d SHA-256: e55d3eede1632a7ade97baef66b161f7446fdea84ce7795253dc7c1d85fde9cc
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to external PDF files hosted on Shopify. One of the primary links, however, leads to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'recurring payment authorization form', aligning with the malicious redirector's purpose. The presence of a malicious redirector suggests the document is intended to lead the user to a malicious site, likely for credential harvesting or further malware delivery.

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=beautifully+said+pdf In PDF document text
    • http://wixuvixin.plekhanoff.com/uploads/1/3/0/8/130813042/1048108.pdfIn PDF document text
    • http://dekuxub.westexaudioelectronics.com/uploads/1/3/1/6/131637136/gesefukezaxeke.pdfIn PDF document text
    • http://files.rowdygainesmastersclassic.com/uploads/1/3/1/6/131606118/2138571.pdfIn PDF document text
    • http://files.foxxpropertiesllc.com/uploads/1/3/1/4/131437423/jexevetejut.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/1/0437/1798/4405/files/recurring_payment_authorization_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4452/8550/files/fonatufoxawinawonipamigis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3547/4590/files/bazuzerakut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8695/4140/files/9664246784.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6241/8846/files/kekesisadifusupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6302/4547/files/open_file_in_browser_using_java.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1637/files/jodapopobulabuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3810/5000/files/19645985646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2205/6600/files/24599843263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7216/7841/files/tibisirurovidawavi.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 2

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_off0000609f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x609F 5088 bytes
SHA-256: a4e020082726a618488efbe21a6aaa67f38b05b1a39cd2e83fbca1aaa8020b3f
font_01_sfnt_off0000720d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x720D 9976 bytes
SHA-256: 97fc47206410236bd4206ba5e4820a3f9672a3f3998a377ebfb72a7c4a4aeb68

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