Malicious PDF — malware analysis report

Static analysis result for SHA-256 9434781dae00fbaa…

MALICIOUS

PDF

69.4 KB Authoring application: GIMP First seen: 2020-09-24
MD5: 68c330adee4ac2043359f5d7e447925a SHA-1: fa8b2501b8592c2f056ec07e158c09d801d56a73 SHA-256: 9434781dae00fbaab2b05b75feefeee40c641819fae23cae8bc2cc1ccf8854a8
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm pointing to numerous external PDF documents hosted on various domains. This technique is commonly used to distribute phishing content or redirect users to malicious websites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://conwaymodelengineering.com/uploads/1/3/0/6/130620854/2910367.pdf In PDF document text
    • http://laurenobern.com/uploads/1/3/0/5/130547112/5179359.pdfIn PDF document text
    • http://dgomola.weebly.com/uploads/1/3/0/3/130323324/gevopabor.pdfIn PDF document text
    • http://kovriki.online/uploads/2020/01/28/guxujipefemovaf_luxarovasomomad_susobupinumize.pdfIn PDF document text
    • http://miseniorcenters.com/uploads/1/3/0/7/130776582/jepizobopekam.pdfIn PDF document text
    • http://penncrossknoll.com/uploads/1/3/0/2/130287514/7881682.pdfIn PDF document text
    • http://misssupremepurityqueen.com/uploads/1/3/0/7/130739503/130739503.html#nursing+management+of+pericardial+effusionIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DC 8656 bytes
SHA-256: f6350254b934f1f132f15d273fc4f758d34e146ca4b36ba3536656e5ec0fc91e
font_01_sfnt_off0000ca9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA9C 16148 bytes
SHA-256: 61ca593122bdf9f8d2de89784c713a2b278bdd5b054eff5a59c50fd3ef05b3a5

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