Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c2b8ad2badd31af…

MALICIOUS

PDF

41.7 KB Authoring application: Poppler-utils
MD5: 9cdade2f77e7b3b4df0e9b1690a42c0f SHA-1: 9288f1a507d6b407a75e18e79815714a19680d9c SHA-256: 9c2b8ad2badd31af502fcdfa1fa762b7071bd0d4e5dd70428b4feef09057e9d3
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique commonly used in SEO poisoning or phishing campaigns to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs point to a network of similar PDF files, suggesting a coordinated effort to distribute harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://socorroopen.com/uploads/1/3/0/5/130539223/5e7e2f0d4812.pdf
    • http://lucidlabview.net/uploads/1/3/0/4/130435570/303993.pdf
    • http://msptohumboldtproducts.com/uploads/1/3/0/3/130313603/wunogavevo.pdf
    • http://bolsterrogers.com/uploads/1/3/0/6/130620478/028e60cfbfe.pdf
    • http://trustedcannabiscfo.com/uploads/1/3/0/5/130544437/mujasemigof.pdf
    • http://tnpcdc.org/uploads/1/3/0/6/130603956/6642d.pdf
    • http://nevittlawoffice.com/uploads/1/3/0/3/130313582/6836c917067.pdf
    • http://cityonloc.com/uploads/1/3/0/5/130588346/130588346.html#ams+cover+letter+latex+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001300.bin
1fa1367fd6765eda00a5811c4df5a5eae0045f4afb8d21110f09338494eff3e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1300 8436 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.