Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c59a3b90c017a24…

MALICIOUS

PDF

63.4 KB Authoring application: LibreOffice
MD5: 4c75966e279e461f669384b17cdb6f93 SHA-1: ef94be22480f39b7cd8fdc4c3a0f40bbfa1ccd2d SHA-256: 5c59a3b90c017a24486919e455f92b2873beb260ffdef88ee40c68fb2b325602
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This suggests a tactic to manipulate search engine results or to distribute a payload via these linked PDFs. The ClamAV detection and ML classifier further support its malicious nature, classifying it as phishing-related malware.

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://jeepapalooza.com/uploads/1/3/0/2/130271017/592c9c5d33.pdf
    • http://soulmatesandpassports.com/uploads/1/3/0/6/130640145/7497178.pdf
    • http://www.kimberlesboutique.com/uploads/1/3/0/5/130551014/8623339.pdf
    • http://www.clearwaterninja.com/uploads/1/3/0/6/130604744/zudofexi-balusebozogoruj-xexusujatirawuw-rewofevavewaje.pdf
    • http://mrscannons5thgradeclass.com/uploads/1/3/0/2/130271154/f2cc1e.pdf
    • http://www.libubblery.com/uploads/1/3/0/7/130776122/4bcbe7a32ef2.pdf
    • http://folkturk.net/uploads/1/3/0/4/130476320/vesosiginu.pdf
    • http://metmediation.com/uploads/1/3/0/5/130589095/8357548.pdf
    • http://echoesofeko.org/uploads/1/3/0/9/130968961/karabelakumiv.pdf
    • http://thecollectorsoutpost-store.com/uploads/1/3/0/5/130551341/3a4851341a5.pdf
    • http://casatuaonline.com/uploads/1/3/0/4/130476579/9382454.pdf
    • http://www.speculativefictionarticle.com/uploads/1/3/0/7/130775001/b91c3044cdd.pdf
    • http://xiaoyouqipaixiazai.br3h.com/uploads/1/3/0/5/130588290/130588290.html#benzylpenicillin+dose+in+rheumatic+fever

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001850.bin
e8005d7114e573f67cc95a5c3bb18ea5ef2ef897ebf7ae459e66c9e47aa230b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1850 8216 bytes

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