Malicious PDF — malware analysis report

Static analysis result for SHA-256 c77f1fdfded38888…

MALICIOUS

PDF

11.0 KB Created: 2021-04-09 21:25:37 -07:00 Authoring application: PDFescape Online - https://www.pdfescape.com (via RAD PDF 3.19.2.2 - https://www.radpdf.com) First seen: 2021-06-30
MD5: 969187815d22e6fa97cff082c316ea55 SHA-1: bcab51cda153b7f955680a586cc118798d95ca2c SHA-256: c77f1fdfded38888598563fba7486eb986299df0fef83d317781eb25be32206e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that directly point to a ZIP archive hosted on 'parisgallery.com.my'. The document body text, while partially obfuscated, suggests a lure related to file transfers ('Wetransferpdf', 'excelis files') and a deletion date, aiming to prompt the user to download the linked archive. This behavior is consistent with a spearphishing attachment attack designed to deliver a malicious payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0370

Heuristics 2

  • PDF link points directly to executable/archive payload critical PDF_DIRECT_PAYLOAD_LINK
    PDF contains a clickable HTTP(S) URI whose path ends in an executable, script, shortcut, disk image, or archive extension. Documents can legitimately link to installers, so this is a high-risk delivery indicator rather than a standalone exploit fingerprint.
  • 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://parisgallery.com.my/googledrive/wetransfer/L8393.zip In PDF document text
    • https://www.radpdf.comIn PDF document text
    • https://www.radpdf.com)/Creator(PDFescapeIn PDF document text
    • https://www.pdfescape.com)/CreationDate(D:20210409212537-07In PDF document text
    • http://www.dynaforms.comIn PDF document text
    • https://onedrive.live.com/download?cid=A93823609C15E912&resid=A93823609C15E912%21104&authkey=AL9G2GJsMde_wd0In PDF document text
    • https://onedrive.live.com/download?cid=A93823609C15E912&resid=A93823609C15E912%21105&authkey=AF6j3cwoB6SYaRoIn PDF document text
    • https://onedrive.live.com/download?cid=C804F612CD78C10E&resid=C804F612CD78C10E%21108&authkey=AAVCIKkawmGeFTYIn PDF document text
    • https://onedrive.live.com/download?cid=C804F612CD78C10E&resid=C804F612CD78C10E%21109&authkey=AB2G4AH0bAqH7QIIn PDF document text
    • https://www.pdfescape.comIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#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

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