Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0b20c5e16bb6be6…

MALICIOUS

PDF

35.0 KB Authoring application: Soda PDF
MD5: fcd3cc50197332b3eb8111099465029c SHA-1: 5a583429389fb7aba2ae624f26f6dbb3a2cd1407 SHA-256: d0b20c5e16bb6be60111ff51b7b7f8bbb3836e4f7f494dd0fe0d7906c155b941
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically classified as phishing. The embedded URLs suggest a link farm designed to redirect users to potentially malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://niumanatreecare.com/uploads/1/3/0/7/130739727/posogezesotosip.pdf
    • http://academia-garmonii.ru/uploads/2020/01/29/wisipomunu.pdf
    • https://julizivuzesu.weebly.com/uploads/1/3/0/5/130547069/b6669c9b.pdf
    • http://soselectrical.co.nz/uploads/1/3/0/6/130620543/61c8a0d1.pdf
    • http://adoptme.info/uploads/1/3/0/5/130588426/130588426.html#surah+yaseen+tilawat+mp3+free+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011e1.bin
7b0e397aa2cfb97ed8dd5c5cd0704ef749a995c1695922455ab14af19b35d24d
pdf-font-stream PDF embedded font (sfnt) at offset 0x11E1 8108 bytes