Malicious PDF — malware analysis report

Static analysis result for SHA-256 2100f689fa3685a2…

MALICIOUS

PDF

36.2 KB Authoring application: Serif PagePlus
MD5: ec52a307ee1e437f9ba3b5b83720b80d SHA-1: fce1abcd1ef7f88b49026a55736325634ff39a55 SHA-256: 2100f689fa3685a2040df0270da11e8c0857a5e7e9e414f3217a82925c718712
152 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics as malicious, including a critical finding for a PDF link farm. The document body contains a mix of readable text and obfuscated content, but the primary malicious activity appears to be the embedding of a large number of external URLs. These URLs likely lead to further malicious content or phishing pages, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

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://sezofosux.rossip.ru/uploads/2020/01/28/nixajeboxanurepofiza.pdf
    • http://dirtroaddanes.com/uploads/1/3/0/6/130620379/lasot.pdf
    • http://royaltrainridesrentals.com/uploads/1/3/0/4/130435532/932d9c.pdf
    • http://atcofootdoc.com/uploads/1/3/0/6/130603772/5722186df.pdf
    • http://su-percheria.com/uploads/2020/01/28/zifizuraniwowagutopu.pdf
    • http://4dverse.com/uploads/1/3/0/5/130588787/7380713.pdf
    • https://fumawudijuxoven.weebly.com/uploads/1/3/0/5/130590477/tizuterolor-bunigezitamale.pdf
    • http://grinninganyway.com/uploads/1/3/0/6/130604413/78a580f5.pdf
    • http://modernmedicalplans.com/uploads/1/3/0/3/130313638/lepuzedoparuzus.pdf
    • http://naturalwellnessacupuncture.com/uploads/1/3/0/5/130539886/8304a501.pdf
    • http://unique-dancewear.com/uploads/1/3/0/4/130483703/zuturenusawo.pdf
    • http://decide2evolve.com/uploads/1/3/0/6/130605405/kisizipexekewipa.pdf
    • http://cavsummit.com.au/uploads/1/3/0/5/130588596/130588596.html#libro+derecho+internacional+publico+jose+luis+vallarta+marron+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000013d4.bin
f24a710a611ef9fea1c079a653f906c82c2cced14082c0ffe84277652e6602dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13D4 10204 bytes

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