Malicious PDF — malware analysis report

Static analysis result for SHA-256 260e5e7ed2e8e8fa…

MALICIOUS

PDF

38.7 KB Created: 2020-08-19 17:06:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 17e8d941f2116e00eecd946a92e0bb40 SHA-1: 477f9f8035384ca9976893c582da59e9a97cafe6 SHA-256: 260e5e7ed2e8e8faa1d48404ba7158f8c256d7cb83b1f26f359cef815c867731
214 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many hosted on Shopify, designed to appear as legitimate documents. One prominent link, disguised as a Charles Schwab application form, redirects to a malicious URL on ttraff.com. This suggests a phishing or scam attempt to redirect users to malicious infrastructure, potentially for credential harvesting or further malware delivery.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=charles+schwab+international+account+application+form In PDF document text
    • http://files.haciendasonoma.com/uploads/1/3/2/7/132740218/7130198.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/1/0428/6559/0438/files/temos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8916/4440/files/kuvujosezalekazaxilanu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2846/3271/files/54948636671.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9743/7848/files/60719369679.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8024/4641/files/plural_form_of_compound_nouns_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3250/1656/files/english_speaking_improvement_tips.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4052/9816/files/46663138812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9617/8849/files/mopop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8447/1710/files/similar_triangles_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9597/2256/files/90455161216.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8093/1733/files/binopakevopidupotusowu.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_off000055e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55E4 5392 bytes
SHA-256: c6b97465e0d8d8db8a70189f471fda14593c76b80d0d7f63177b6e3f6b9a6b9c
font_01_sfnt_off0000681d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x681D 10576 bytes
SHA-256: aed483a185828af9526f8a53a6db937b84d0f5dc7425372ed9dda5af60dc032a

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