Malicious PDF — malware analysis report

Static analysis result for SHA-256 96bd9308216f52ba…

MALICIOUS

PDF

78.7 KB Created: 2021-07-12 22:30:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 6cac2067f770d83306d3316658fd19dc SHA-1: d5fdc2009fc2283f044c7e833c85a9cb4b98d80a SHA-256: 96bd9308216f52bafddbdf4e66f7ba89b5f34d1f82aa056f6ee7ac4b46d10772
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded URLs suggests an attempt to redirect the user to external resources, which is a common tactic for phishing or malware delivery. The PDF structure and embedded content are consistent with a malicious document designed to exploit vulnerabilities or lure users into malicious actions.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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/-7-cX3opz_8/square?utm_term=sweet+dreams+are+made+of+this+lyrics
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e90e0266be7e490f0ed184/1625886210930/89536953054.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e79f04e8ef4d41b4f744af/1625792261216/pdf_editor_free_software_for_pc.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e94de4563c1506a8b7861d/1625902565058/warhammer_scythes_of_the_emperor.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e93314cc7c0864592776e4/1625895700495/jopun.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e932ea37cb904475609071/1625895658953/fubilet.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e873758e751c0c893767f0/1625846645318/fellowship_of_the_ring_full_movie_free.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ec83afbdd82073f6ff1270/1626112943107/89216055529.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ec86b159713006cbe1d701/1626113713908/57505111630.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e9421df492d21a0f6be102/1625899549750/end_of_term_report_for_preschoolers.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e783be2730f713565c2d8e/1625785278880/knowing_brother_shownu.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_off0000d0ba.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
pdf-font-stream PDF embedded font (sfnt) at offset 0xD0BA 16792 bytes
font_01_sfnt_off0000e8d1.bin
fa426c356ec3936ec014d2233957cc6bd1bb978b3673c2e51c9c86f46ddbd687
pdf-font-stream PDF embedded font (sfnt) at offset 0xE8D1 10912 bytes
font_02_sfnt_off00010227.bin
3fdcd22f735245962ab4cd83a611d4507ff841d1da4c00d50b0813034dffc130
pdf-font-stream PDF embedded font (sfnt) at offset 0x10227 16356 bytes