Malicious PDF — malware analysis report

Static analysis result for SHA-256 cde667cf79767e1d…

MALICIOUS

PDF

85.6 KB Authoring application: PDF Studio
MD5: 438be923d9aedc461dfc97078d5cd397 SHA-1: 532d81e8f0d759c5523f5d469a99519d601d9987 SHA-256: cde667cf79767e1d5ad3f57de7d0302eaaade0027b0f30fddec6c2e942ced17f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or phishing campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body itself is heavily obfuscated and contains numerous URLs, reinforcing the link farm heuristic.

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://wifo.vetrics.ru/uploads/2020/01/27/foniduwesit.pdf
    • https://lizofejuxofej.weebly.com/uploads/1/3/0/4/130488227/dugudalijogunojawo.pdf
    • http://safizugux.work-ok.ru/uploads/2020/01/29/jikurutefubizo.pdf
    • http://skadooshdance.com/uploads/1/3/0/5/130548070/3051061.pdf
    • http://yaremkospt.com/uploads/1/3/0/4/130483852/7628705.pdf
    • http://sunburstmusic.org/uploads/1/3/0/2/130272360/b7249.pdf
    • http://ssvfcpc.org/uploads/1/3/0/5/130589007/7babf20bee9ae77.pdf
    • https://tafoxufojesurib.weebly.com/uploads/1/3/0/4/130488850/7307997.pdf
    • http://rucontent.ru/uploads/2020/01/28/62f77704a3140.pdf
    • http://seti.minzdravbioshop.ru/uploads/2020/01/28/b8677dba8.pdf
    • http://vil.1000bitcoinhomepage.com/uploads/2020/01/27/4c3d6c6bbb7.pdf
    • https://towiviveva.weebly.com/uploads/1/3/0/5/130545096/8314475.pdf
    • http://kodzie.com/uploads/1/3/0/6/130605094/8c3eb641b.pdf
    • http://nationalfootballcheerleadersalumni.org/uploads/1/3/0/4/130488578/130488578.html#who+recommendations+for+prevention+and+treatment+of+pre-eclampsia

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000016f8.bin
e7849b758678e69cefc16703f8b3496d3a749b32b44f08097719543452d427e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16F8 11008 bytes
font_01_sfnt_off000116b8.bin
1110447959503c75238c0f1bcdf9de7fad567fc767730a4530dcb0d3a64541bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x116B8 2696 bytes

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