Malicious PDF — malware analysis report

Static analysis result for SHA-256 18dc8187ed1da048…

MALICIOUS

PDF

34.9 KB Authoring application: Serif PagePlus
MD5: e468d54dc9752ebfae57da950f112e68 SHA-1: a5ab0c381f6030e9aa05ef41024cbeb5ef0460e2 SHA-256: 18dc8187ed1da0485b78617c951491d0e6860c64610fd626163a4563e1fdb25e
94 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing attempt. The document body contains multiple URLs that likely lead to further malicious content, suggesting a phishing or credential harvesting campaign. No scripts were extracted, but the presence of embedded URLs points to a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://tubos.periodismo-news.com/uploads/2020/01/27/jemarowodujulaziva.pdf
    • http://mrappa.com/uploads/1/3/0/2/130270993/aaf086.pdf
    • http://agm71.icu/uploads/2020/01/28/61f82cd.pdf
    • http://cameliascanlon.com/uploads/1/3/0/3/130323139/pogezezazum_bijax.pdf
    • https://pabubilejoputi.weebly.com/uploads/1/3/0/5/130540645/jewezurivafu.pdf
    • http://portal.createweb24.com/uploads/1/3/0/6/130620475/130620475.html#the+absolutely+true+diary+of+a+part-time+indian+summary+chapter+1-5

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001086.bin
4e8e60a4a8a1ba2b1cf2e2f62bb3b9c9409d3749d470d9a9d44919aebc65c9d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1086 7600 bytes

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