Malicious PDF — malware analysis report

Static analysis result for SHA-256 7109ce5e53c176fe…

MALICIOUS

PDF

71.2 KB Authoring application: ImageMagick
MD5: abc7c7febca541c14701b0344b9b91aa SHA-1: fcf9ef8fb3ed68f159f3734cf5b23394960068cd SHA-256: 7109ce5e53c176fee9111416fa8ada3c644b10627e2b0e4c57b3c1b50f4c79d6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a mass external link farm, with multiple URLs pointing to PDF files and one HTML file. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the 'PDF_SEO_LINK_FARM' heuristic strongly suggest a phishing or malicious download attempt. The presence of a 'Visual download / call-to-action button lure' heuristic further supports this, indicating the document is designed to trick the user into downloading a payload from one of the embedded URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9945

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://skinsugarrx.com/uploads/1/3/0/6/130620818/450f5159df870cc.pdf
    • http://pixelpush.net/uploads/1/3/0/5/130545784/ponilosepuvebab.pdf
    • http://msandtherapist.com/uploads/1/3/0/3/130379326/nalipozewafoke_tezawegu.pdf
    • http://bsa-sccc-pack301.com/uploads/1/3/0/4/130435846/130435846.html#dummit+and+foote+abstract+algebra+amazon

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000116f.bin
c9335aa9bf9e96111503f2c3e7629e27a44a1f45d2cbc1484edeb7d7d4cdd4f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x116F 10448 bytes

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