Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d40bd4d8986f34d…

MALICIOUS

PDF

40.0 KB Authoring application: Nitro PDF
MD5: 3fd8960d70a530e369ead2830a871437 SHA-1: ff38a6b0f048e9252ac49df2d01280c2f5ecb632 SHA-256: 4d40bd4d8986f34d981bb880a5357e23b2826d3e249492c559d4347c3b16ff7b
120 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to various malicious PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and malicious redirection intent. The embedded URLs are the primary indicators of compromise, facilitating the download of further malicious content.

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://betadi.u-l.tech/uploads/2020/01/28/786a8.pdf
    • http://ps110k.com/uploads/1/3/0/6/130604449/xulemenerilakivexufa.pdf
    • http://rosstelekom.pro/uploads/2020/01/27/8581282.pdf
    • http://bearcreekaquatics.com/uploads/1/3/0/5/130589125/11e2ad574a97.pdf
    • http://campcruz.com/uploads/1/3/0/3/130324248/438991482f.pdf
    • http://bomux.veronicaasorey.com/uploads/2020/01/27/dugis.pdf
    • https://goropetinopuj.weebly.com/uploads/1/3/0/5/130551115/9150380.pdf
    • http://bumizev.datingwebclub.com/uploads/2020/01/28/9c737.pdf
    • http://bodedenok.mygreenpoint.ru/uploads/2020/01/29/setobujetemor_lowitatunadupap.pdf
    • http://wuvigobeju.infusion-web.com/uploads/2020/01/27/2421189.pdf
    • http://982ride.weebly.com/uploads/1/3/0/4/130435835/130435835.html#elementor+pro+header+templates

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001276.bin
8174651fb3431d5c60a2f0ff0677298bf1a1dd8e183da6caed3ba7dfc0545c23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1276 9108 bytes

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