Malicious PDF — malware analysis report

Static analysis result for SHA-256 0891eebbad206dfb…

MALICIOUS

PDF

33.8 KB Authoring application: Adobe PDF Library 9.0
MD5: 9ba7fb8b9b0cc706dbd1067b9c3692cd SHA-1: bc6fd679f7c4558086a4e261dd9c22dcf7db98ab SHA-256: 0891eebbad206dfb3ab979bc2a02e4051864a2c7ab5f3b6718cd63d6b60909ab
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. The embedded URLs are the primary indicators of compromise, facilitating the redirection to potentially harmful content.

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://dinas.tovarug.icu/uploads/2020/01/28/1822904.pdf
    • http://xoteniv.onetocash.xyz/uploads/2020/01/27/lodumuretexomamunuva.pdf
    • http://vov.menurotrin.ru/uploads/2020/01/27/zarujipusolisasudat.pdf
    • https://furojuni.weebly.com/uploads/1/3/0/5/130589195/1310232.pdf
    • http://topfloor.space/uploads/2020/01/27/8047447.pdf
    • http://rendsy.tech/uploads/2020/01/27/73dd077f264.pdf
    • http://proholidayphoto.com/uploads/2020/01/27/7105985.pdf
    • https://vifixevefigewux.weebly.com/uploads/1/3/0/4/130489564/4727496.pdf
    • https://zotijexebe.weebly.com/uploads/1/3/0/3/130313718/2976054.pdf
    • http://wiwul.tricolor-koroyove.ru/uploads/2020/01/28/lerapaxito.pdf
    • http://yesterdaysneighborhoodtoday.com/uploads/1/3/0/5/130550772/130550772.html#tuck+everlasting+chapter+questions+a

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000120a.bin
6f69a3313534ea82d8c33979ae8eabe4dfc423c3fca6ccc9be0afa1b29789d24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x120A 8396 bytes

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