Malicious PDF — malware analysis report

Static analysis result for SHA-256 8276d673b6601f75…

MALICIOUS

PDF

35.4 KB Authoring application: Mobipocket Creator
MD5: 5a7b23246a1ebc29212ac724ac936505 SHA-1: cc0d680673936018ab4ea246addd703dae9e4978 SHA-256: 8276d673b6601f75380b4e1faec9cd8f74bc7c70efea4b72b71a48d665360161
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a phishing or SEO manipulation tactic. The ClamAV detection further supports its malicious nature. No scripts were extracted from this sample, limiting the ability to determine specific execution chains.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://pesurezaf.vipiski-besplatno30.icu/uploads/2020/01/29/tetazurovoxal.pdf
    • http://bumonil.exale.pw/uploads/2020/01/28/gapaxosibafudis_bezojamodedu_pidurane.pdf
    • http://miwet.jeanroyer.net/uploads/2020/01/27/f84eef039.pdf
    • http://myplayergrind.com/uploads/1/3/0/4/130483299/jabul_ruzasuta.pdf
    • http://seteduguf.orhideya.su/uploads/2020/01/29/50adb9f0.pdf
    • http://mobe.maska.org/uploads/2020/01/28/3614789.pdf
    • http://frbasketball.org/uploads/1/3/0/2/130272440/7a9ec3cbfcfa.pdf
    • http://novostrojka-start.ru/uploads/2020/01/28/tisalifovozuvava.pdf
    • http://lapen.us/uploads/1/3/0/6/130621195/130621195.html#executive+summary+business+report+sample

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001195.bin
1401c470c097b2a4acab9d4b31ee9a2a189dd68db22a4cecbc6d2c25887f5492		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1195 7480 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.