Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ad2a4b9b59b5686…

MALICIOUS

PDF

38.8 KB Authoring application: OpenOffice Draw
MD5: 56a4b634f0c30ef69a50ff5fc5d83ad0 SHA-1: cf717d9d86060694a21968854d272adeb2eda459 SHA-256: 4ad2a4b9b59b5686010cbae16d0a35649a54f37d786a99644433b175459aec20
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique commonly used for SEO poisoning or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the heuristic 'PDF_SEO_LINK_FARM' strongly indicate a phishing or malicious redirection campaign. The document body mentions 'Jio whatsapp video call apps' and includes multiple URLs pointing to PDF files, suggesting a lure to download malicious content.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://nhan-tien-quoc-te-vn.online/uploads/1/3/0/2/130289347/witetosovimof_silugejamo_gexunoxamowutiw.pdf
    • http://styleanddezineboutique.net/uploads/1/3/0/4/130483132/4773438.pdf
    • http://nutrizionistagiuliaporcu.it/uploads/1/3/0/5/130543121/jurigorubolamabijap.pdf
    • http://red4edactionnc.com/uploads/1/3/0/3/130379431/9171760.pdf
    • http://adoptme.info/uploads/1/3/0/4/130436473/130436473.html#jio+whatsapp+video+call+apps

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010a8.bin
ab45f428bd503dd1a7730b83025b143c873a4e18022191e65519c5a27e090018		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10A8 8156 bytes
font_01_sfnt_off00005703.bin
20e95d1c005e32dcdcf48a3c6021a9afd3f1cecca41f60101d16223f71b772f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5703 6152 bytes

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