Malicious PDF — malware analysis report

Static analysis result for SHA-256 031dc24f2a62ba99…

MALICIOUS

PDF

39.4 KB Authoring application: pdf-parser
MD5: a67c647ae950c2d2571cf8cd57efaa37 SHA-1: a8e863126dacf131818646215d837d7719c68467 SHA-256: 031dc24f2a62ba9954e74bc7f9307c916e053acef712e5e0e7c4437394b2e05b
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by multiple heuristics, including a critical finding for a large number of external PDF links, and a machine learning classifier. ClamAV identified it as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or malicious redirection attempt. The embedded URLs likely serve as the mechanism for delivering secondary payloads or redirecting users to phishing sites.

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://vuxo.sport-farmakologia.ru/uploads/2020/01/28/ganikozedowu_movedudawifi.pdf
    • http://gebexuf.sellfarma.xyz/uploads/2020/01/28/dexelenuromek-xiwotolugafido-risegokuko.pdf
    • https://xegisolomod.weebly.com/uploads/1/3/0/5/130547576/6449227.pdf
    • https://rofipulan.weebly.com/uploads/1/3/0/5/130544687/2420826.pdf
    • http://tradetigg.com/uploads/2020/01/28/1985ccc3792152d.pdf
    • http://7x4.ru/uploads/2020/01/27/7310695.pdf
    • http://xaw.antiviruseprotectiononline.xyz/uploads/2020/01/28/8b71be696d.pdf
    • https://morarafaf.weebly.com/uploads/1/3/0/5/130590224/130590224.html#the+study+skills+handbook+4th+edition+second+hand

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011d4.bin
cca6142e804bac0402af04ad1dcc43f9a38ade85a8ff56682e15a4a62f90d80c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11D4 8824 bytes

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