Malicious PDF — malware analysis report

Static analysis result for SHA-256 f309f30183828323…

MALICIOUS

PDF

47.8 KB Authoring application: LibreOffice Draw
MD5: 42bb81126b1dc3cf4d76fa935dac890b SHA-1: cebd4a26e89a9cb1fbfbca49911fee6134bc5ab5 SHA-256: f309f30183828323003b09ff493302ecdc26509cbeea8a67942f8d35eb636eb6
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a PDF_SEO_LINK_FARM, pointing to various PDF files hosted on different domains. The document body also contains a lure for 'Adobe pdf editor free download crack', suggesting a phishing or social engineering attempt to trick users into downloading potentially malicious content. The ClamAV detection further confirms the malicious nature of the file, classifying it as Pdf.Phishing.TtraffRobotInstall.

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://50staaten.com/uploads/1/3/0/5/130539165/2486560.pdf
    • http://vpokerfriends.com/uploads/1/3/0/3/130313346/vulol_nijazid_turivajelosovu.pdf
    • http://360kirk.com/uploads/1/3/0/2/130287960/afd96c8b.pdf
    • http://255ideas.com/uploads/1/3/0/6/130605516/16460a9a2989.pdf
    • http://shardexplorers.com/uploads/1/3/0/5/130541209/130541209.html#adobe+pdf+editor+free+download+crack

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001270.bin
c439a2d7b2bd934d844f1ee562a6d67a1142cdb1084c85880147112f8e9cff04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1270 10324 bytes
font_01_sfnt_off00005eb6.bin
fd22af53f2844f775e2788e663f76d51cbd1f673c8a6c692d2e507cbfd993ddd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB6 6544 bytes
font_02_sfnt_off0000733b.bin
d8fa1d180e0a505d0c2b16a5f695b88c8b58e4db502161fc5572c07a7daa196e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x733B 16488 bytes

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