Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ded69eb16fff303…

MALICIOUS

PDF

42.8 KB Authoring application: LibreOffice
MD5: 2e9054c76ff06fc641a51cf0651a90a0 SHA-1: 4baa973b7345465df00b20b4bb2c373cdc0b4ed5 SHA-256: 9ded69eb16fff303410655a980951dbfaa3d6a18c17b4c5888ba2f6523507af6
150 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to multiple malicious PDF files, disguised as a sizing chart. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are the primary indicators of compromise, likely serving as droppers for further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://wakeforestfarmersmarket.com/uploads/1/3/0/2/130272350/fodepu.pdf
    • http://bellasafety.com/uploads/1/3/0/2/130272977/jaturex.pdf
    • http://starstuffwithstuartgary.com/uploads/1/3/0/6/130620429/4065070.pdf
    • http://tuslawmustangsfootball.com/uploads/1/3/0/5/130550890/piduxiluwugumelela.pdf
    • http://meganozul.unibake.pro/uploads/2020/01/28/f2db0acb32cda.pdf
    • http://emilykasra.com/uploads/1/3/0/5/130539913/1021183.pdf
    • http://zis.iamhasan.com/uploads/2020/01/28/jelewebukokepigiju.pdf
    • http://solectwokamienica.pl/uploads/1/3/0/7/130740092/4986103.pdf
    • http://quillskywritings.com/uploads/1/3/0/4/130483558/rolilimovas_tuminefame_zamojelemuzi.pdf
    • http://molokaishores.info/uploads/1/3/0/5/130589103/14bcd0221.pdf
    • http://declareservices.com/uploads/1/3/0/5/130589209/130589209.html#condom+catheter+sizing+chart

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000126e.bin
19490e73ef5688cae824df81d0985c00841bd98f7b0bdadcfe1caed30b1905ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x126E 8392 bytes
font_01_sfnt_off000060cc.bin
6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60CC 16068 bytes

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