Malicious PDF — malware analysis report

Static analysis result for SHA-256 086749567a8e48bc…

MALICIOUS

PDF

38.1 KB Authoring application: OpenOffice.org
MD5: 5c632ec3c296c9622f892ea33cf74a3a SHA-1: 48da38623c4fc1c36cca006f6d3cb7433b0093be SHA-256: 086749567a8e48bcc5c35e7fd500cb198f7fcc0086c7d67f7dd888252f6ba113
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, indicative of a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it acts as a loader for further malicious content.

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://ajhomecooking.com/uploads/1/3/0/4/130483670/538a62508.pdf
    • http://like-pi.net/uploads/1/3/0/4/130489054/lixisamoxujodoluluwa.pdf
    • http://kugaloz.marketdota.ru/uploads/2020/01/28/sixewobu.pdf
    • http://missturquoisecircuit.com/uploads/1/3/0/4/130488506/267881.pdf
    • http://trinitykalispell.com/uploads/1/3/0/3/130323506/ligal.pdf
    • http://noeticanalysis.com/uploads/1/3/0/4/130489247/0018c.pdf
    • http://warwickmoss.com/uploads/1/3/0/5/130551726/53f1ce9.pdf
    • http://chrysalisholistics.com/uploads/1/3/0/6/130621794/wekiri.pdf
    • http://myelitestaffinggroup.com/uploads/1/3/0/3/130379336/9b3792292.pdf
    • http://mirrorimagemissions.com/uploads/1/3/0/6/130621592/gopivozoninag.pdf
    • http://northernrailleaders.com/uploads/1/3/0/7/130775115/130775115.html#ballance+game++for+pc

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011ee.bin
cbb82b520bc20cfe99cf279f8a8523f674951e63d699ac6edb895274e8ae51f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11EE 7584 bytes

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