Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e8c68057f440623…

MALICIOUS

PDF

44.5 KB Authoring application: Smallpdf Desktop
MD5: c22e3bad31a09e16697d350d110a0237 SHA-1: 66ed63617fdfe7847e7ea0dba46e5006e33e970b SHA-256: 8e8c68057f440623bff33baedf8119f25cd000f922d817edffbd89fef4032bf2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF document contains text and embedded URLs that mimic a download prompt for Adobe Acrobat Pro DC trial. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The presence of multiple suspicious URLs suggests a phishing or malware distribution campaign.

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://7pip.net/uploads/1/3/0/3/130313075/c6dc6c932bb30a9.pdf
    • http://mrweaver.us/uploads/1/3/0/4/130488483/0df2f.pdf
    • http://planetoftalent.com/uploads/1/3/0/5/130588202/vopowuwokobagosine.pdf
    • http://multistreams.com/uploads/1/3/0/4/130476242/130476242.html#download+and+install+adobe+acrobat+pro+dc+trial

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001045.bin
195297badf0f6c4824aecc3081928302b65db8a56afebb5fce991adc915f09d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1045 9232 bytes
font_01_sfnt_off00005169.bin
fd22af53f2844f775e2788e663f76d51cbd1f673c8a6c692d2e507cbfd993ddd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5169 6544 bytes
font_02_sfnt_off000065ee.bin
d8fa1d180e0a505d0c2b16a5f695b88c8b58e4db502161fc5572c07a7daa196e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65EE 16488 bytes

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