Malicious PDF — malware analysis report

Static analysis result for SHA-256 73589fdeb9c7fbde…

MALICIOUS

PDF

43.8 KB Authoring application: Soda PDF
MD5: cdd91d1b801d9d4e01161c9e00279b29 SHA-1: f7688056a5bf1173a84d8dbab474bb65045d23d3 SHA-256: 73589fdeb9c7fbdef3c8246a0952f11ce608c8060625f039c4af5660066454eb
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The sample was detected as malicious by multiple engines, including ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded URLs pointing to other PDF files, suggesting a phishing or malware distribution scheme. The document body, though partially corrupted, contains text related to statistical modeling, likely a lure to disguise the malicious nature of the document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://lucretiabingham.net/uploads/1/3/0/6/130639055/libazawonolur_sugira_wegabuko_foverapuzed.pdf
    • http://merrycollections.com/uploads/1/3/0/2/130287992/dfbb5072249050.pdf
    • http://networkinginhighheels.com/uploads/1/3/0/2/130270781/lefiparukuliw.pdf
    • http://mymissblue.com/uploads/1/3/0/2/130287314/130287314.html#assumptions+multiple+linear+regression
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
    • 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_off0000104b.bin
3ff6404efc2e1214748099f060b57e8c757b2fc86f827ce23b3a1876494386e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x104B 8792 bytes
font_01_sfnt_off00005bc2.bin
6dc6e07f93ae70488a19e8a398a1c6cda2f5723fc3d3cbe180c5afbb10c3611e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BC2 2864 bytes
font_02_sfnt_off0000654e.bin
529d3e0a02aeab1b737728e191977e5de9ec7e6051aca917bf9827bda491d98b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x654E 16040 bytes

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