Malicious PDF — malware analysis report

Static analysis result for SHA-256 07a7f2021b2c0792…

MALICIOUS

PDF

36.8 KB Authoring application: QPDF
MD5: 297e6fb626608d1f4568d1bcd3a689f6 SHA-1: f2b0b375a16f16a371464e7266af861e82dc99d3 SHA-256: 07a7f2021b2c07926bf7967c0d917da64d6b23dad600f59ef8d215a12c8192c6
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO spam or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://tastetravels.com/uploads/1/3/0/8/130814407/ponodibagef.pdf
    • http://govgraph.us/uploads/1/3/0/5/130546196/8962281.pdf
    • http://tren.net/uploads/1/3/0/3/130379423/f4a941706715.pdf
    • http://silvervigor.com/uploads/1/3/0/5/130551127/reboxugotoj-nubinariximuve.pdf
    • http://assessmentsystemscorp.com/uploads/1/3/0/5/130539366/1fca6935c8bca5b.pdf
    • http://alisonreber.com/uploads/1/3/0/4/130435941/9416b.pdf
    • http://salalounge.club/uploads/1/3/0/3/130379243/dofudaxoninoxunizux.pdf
    • http://newearth.design/uploads/1/3/0/2/130288761/9755782.pdf
    • http://relash.us/uploads/1/3/0/5/130589238/16d1b.pdf
    • http://localprintshop.com/uploads/1/3/0/3/130323184/dokerodok.pdf
    • http://nobuhotelmarbella.devsite-1.com/uploads/1/3/0/4/130478438/130478438.html#why+students+are+addicted+to+social+media

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011f4.bin
54d19d16dddb47ef0dbc40d3ac98a5c3e87936250bf8866a65477022f0e5a99b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F4 7684 bytes

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