Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e0235fae2a3542c…

MALICIOUS

PDF

77.6 KB Created: 2021-07-14 02:41:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 966aaefceb8e95ed6f625b684510b765 SHA-1: df77771fa15abff245ec4369fa82ffd61dfa8403 SHA-256: 2e0235fae2a3542c9e6b366f61c6c9c57c5133e26ae497b1998a49572a762426
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of embedded URLs suggests a phishing attempt, likely directing users to malicious websites. No scripts were extracted, but the PDF structure itself is indicative of a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9163

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/~3/5VO7y1TeAqQ/square?utm_term=without+me+karaoke+mp3+download
    • https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60ec9986934d360eb28a4a54/1626118534068/the_tables_have_turned_meaning.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e91d9f3ba7d954d54610cb/1625890207842/muvezerenagorazi.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e95146e51f1f218d6b71d4/1625903430889/62410077308.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60edf357017ec663b53eaf2b/1626207063330/nijuvatupebamof.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e784216544141053fe8c40/1625785377906/sisepulusovupaxapaludavub.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e90d2937da2614570d612c/1625885993273/25544750737.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ede2183be50f2c5dadf254/1626202648675/67584062848.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_off0000cdda.bin
a06d680e756c1919778de6924d1df3afb50042d8360984edbe53cfd929835006		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCDDA 10932 bytes
font_01_sfnt_off0000e708.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE708 16792 bytes
font_02_sfnt_off0000ff1a.bin
b26685ca50c1b405e520dc5ba5acdbff3552c8df32d2a311bd39a5bb706eb46b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF1A 16780 bytes

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