Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb0741367ac94529…

MALICIOUS

PDF

37.2 KB Authoring application: Soda PDF
MD5: 6534b1dc851d3633a2ea6df81a97fd4b SHA-1: ffd97b008c2da34bf95600e9b7b3156a325a0a3d SHA-256: eb0741367ac94529e17d51353af429ca32a250b0a3375d778700130da149ee70
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files, a common technique for SEO poisoning and phishing campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing classification. The document body, though heavily obfuscated, mentions software installation, likely a lure to encourage users to click the malicious links.

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://admin.djetparts.com/uploads/1/3/0/8/130813945/gogixe_xexoze_jexal_tovujezip.pdf
    • http://agardenerspath.com/uploads/1/3/0/6/130621387/75cbd0376b896f3.pdf
    • http://disspat.com/uploads/1/3/0/5/130551907/warokafoka.pdf
    • http://ucmen.com/uploads/1/3/0/2/130288468/6119327.pdf
    • http://philanthropyexchange.net/uploads/1/3/0/8/130814785/5743769.pdf
    • http://crispandsmooth.com/uploads/1/3/0/5/130539016/823455.pdf
    • http://volnaiskra.com/uploads/1/3/0/5/130590672/xajipezutulumasi.pdf
    • http://lanbaoshiyulechengzhuce.br3h.com/uploads/1/3/0/7/130739656/nexipasa-pepuzugudib-tamadibujotaxan-zinuj.pdf
    • http://donttakemysunshine.com/uploads/1/3/0/4/130436181/e45b6b6237198e.pdf
    • http://odulver.net/uploads/1/3/0/4/130435601/3838dbf74e9f6.pdf
    • http://fridaycastshow.com/uploads/1/3/0/6/130640125/4089815.pdf
    • http://c8hrw.slpny.com/uploads/1/3/0/7/130740512/130740512.html#guitar+rig+5+ableton+live+10

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000039e6.bin
b7a643a70a80ac0b07066f60825446789ef14e942a8c728febda34bec6e50b36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x39E6 8232 bytes

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