Malicious PDF — malware analysis report

Static analysis result for SHA-256 6124c2b8133bd0c6…

MALICIOUS

PDF

39.0 KB Created: 2020-01-25 18:39:09 Authoring application: Aspose Ltd. (via Aspose.PDF for .NET 21.4.0) First seen: 2026-06-05
MD5: b7cda934d7ed2553c601a3197199f8c4 SHA-1: 9db47407655fc0f32f7cc6546501326b99fca754 SHA-256: 6124c2b8133bd0c616686bec3ac704e98a34d9b264eb0d98e51fb25b9b292520
132 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains heuristics indicating it links to malicious redirector infrastructure, specifically disguised as a personal history questionnaire. The embedded URL, 'https://ttraff.cc/pify?keyword=cas-5a+personal+history+questionnaire', is the primary indicator of malicious intent, likely leading to a phishing or malware download site. No scripts were extracted, but the document structure and URL strongly suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9902

Heuristics 3

  • 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.
  • 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.
  • 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=cas-5a+personal+history+questionnaire In PDF document text
    • https://kaxutaxi.weebly.com/uploads/1/3/4/3/134387751/kuzoxabofozimu.pdfIn PDF document text
    • https://meporolokiso.weebly.com/uploads/1/3/2/6/132681401/6408329.pdfIn PDF document text
    • https://subulutug.weebly.com/uploads/1/3/4/3/134349811/497245de9ba548e.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/1/0497/5063/8755/files/latest_showbox_apk_for_android_box.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/8392/6171/files/letanas_de_los_santos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/7145/8468/files/app_lock_apk_old_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/0747/5352/files/crock_pot_slow_cooker_troubleshooting.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8e387420-9313-4a05-a6e5-5e10b9a3efc2/1804_the_hidden_history_of_haiti_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d70300cf-31ad-4b23-adcf-d1ba7880c714/nasan.pdfIn PDF document text
    • https://s3.amazonaws.com/gupuso/psychological_theories_of_learning.pdfIn PDF document text
    • https://s3.amazonaws.com/tesapibebujep/document_to_converter_software_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9124/6747/files/kofurixajibulukafutore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0500/6956/9699/files/kajoparut.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_off00005cc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CC2 5196 bytes
SHA-256: fb1638e4bf4c42f30df1c4aa848b67c18c55c8374291f927aa71790ee8e89263
font_01_sfnt_off00006d9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D9D 10468 bytes
SHA-256: ec45a013ac88fc99ac1adb93013a49dc8cbf15fac009024f340eb0f9219ee360

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