Malicious PDF — malware analysis report

Static analysis result for SHA-256 7078402843d9528a…

MALICIOUS

PDF

87.6 KB Created: 2021-07-15 13:22:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 974b179335e42add7b781bea1c8fb01d SHA-1: 56424d45fbefc4189b53525626b2052ba3b9cba1 SHA-256: 7078402843d9528a1b324a5bf8f0fd79c13609cad98f701518a79b50ab00db52
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. While the document body is heavily obfuscated and unreadable, the presence of an embedded URI pointing to a URL that appears to be a lure for 'mission impossible 2 online free' suggests a phishing or social engineering attempt. The URL itself is confirmed benign, but its inclusion within a malicious PDF indicates a deceptive tactic. No scripts were extracted, limiting the analysis of direct execution or payload delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8239

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://feedproxy.google.com/~r/sq/ugae/~3/NsX9ihectO0/square?utm_term=mission+impossible+2+online+free
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60efc9b790ddb31b72a5cd41/1626327479760/54351360314.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e8eed1e370ac632286b1fd/1625878225569/jopusavotuwisu.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e7b5118ad60325f0c441bf/1625797905274/excel_compound_growth.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60efd7621c2a3138378caa61/1626330978844/70125315385.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e8d4de5ef51a130ea0dae5/1625871582770/37533195061.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f00c0e38a0fc3ca9692123/1626344463097/moxufubokilepikexafenal.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f4ce.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF4CE 16792 bytes
font_01_sfnt_off00010ce0.bin
a1da03c2f49274cf9af006074360fb71aa7846b3de462e0767b1159e3486be4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10CE0 17676 bytes
font_02_sfnt_off00013b1a.bin
01be2f48f8cf8328565cef0082e3093ccf5083561154fba2a505f27ebd550844		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13B1A 10512 bytes

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