Malicious PDF — malware analysis report

Static analysis result for SHA-256 47faaa32587084d5…

MALICIOUS

PDF

47.2 KB Authoring application: PDF Studio
MD5: ebb2b04ef65a3bdd226b64425a66cf0d SHA-1: 4e8c5bef597bb4b89bad59278262e0b2beddf9c8 SHA-256: 47faaa32587084d500089a0c44e3df10e0731bbd5a892dd5688c5b2e9351528f
152 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as detected by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also indicate maliciousness, specifically flagging it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs suggest a link farm designed to redirect users to potentially malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://kgarc.com/uploads/1/3/0/5/130539657/vofeno-pegosipuzegame-zipubobazet-gojegodimive.pdf
    • http://mariaemauz.com/uploads/1/3/0/6/130605083/bopamazironap.pdf
    • http://pamelagamesby.com/uploads/1/3/0/6/130640006/kerowefoluvuxa_wazuzokonud_zugipaka.pdf
    • http://theliafund.org/uploads/1/3/0/6/130603855/manif.pdf
    • http://hikingtrailsbooks.com/uploads/1/3/0/6/130639446/jeriforamuleriworoge.pdf
    • http://mynaturalplace.org/uploads/1/3/0/6/130620326/zitetipixe.pdf
    • http://bridesewbeautiful.org/uploads/1/3/0/3/130313024/1461207.pdf
    • http://bodysculptorsaustralia.com/uploads/1/3/0/2/130271028/9c02b43.pdf
    • http://alcft.com/uploads/1/3/0/2/130291640/rabep-pojog-zewujosiku-menisi.pdf
    • http://nootkasoundretreats.com/uploads/1/3/0/4/130483346/3514056.pdf
    • http://cmbproductions.greatwebsitebuilder.com/uploads/1/3/0/3/130312986/8257e9a25.pdf
    • http://noblocky.com/uploads/1/3/0/7/130776738/gafin.pdf
    • http://rawlingshire.net/uploads/1/3/0/6/130639458/5228284e8.pdf
    • http://activekidzyoga.com/uploads/1/3/0/4/130435570/4749237.pdf
    • http://mandakemp.com/uploads/1/3/0/6/130604682/wufejadedidam-davoxaz-mejokugox.pdf
    • http://silveroceangroup.com/uploads/1/3/0/7/130776219/2104359.pdf
    • http://venturesfortheking.com/uploads/1/3/0/7/130776162/7766667.pdf
    • http://yogalabbet.se/uploads/1/3/0/4/130483498/4455928.pdf
    • http://8n7.brdge.org/uploads/1/3/0/5/130539702/130539702.html#gastroenteritis+caused+by+norovirus

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004e33.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E33 2652 bytes
font_01_sfnt_off00005a4f.bin
00f898baa6b346da43cd735b24e29e840ddffefad8cd291a8fdaa6d0f0be5547		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A4F 8392 bytes

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