Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f6d60991d0392a1…

MALICIOUS

PDF

35.5 KB Authoring application: Poppler-utils First seen: 2020-09-24
MD5: 420faf66f1d99496cc77469c7168aeed SHA-1: e7b236929008eb886a495425b7286cfc1b8a3ee7 SHA-256: 4f6d60991d0392a107ae116e598390358250b2f5542a4e340aa9cca772fef794
94 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs that point to external PDF files, suggesting a phishing or malware distribution attempt. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly indicates a malicious intent, likely related to phishing or malware installation. The document body, though partially garbled, mentions 'Reading activity for 6th grade', which serves as a lure to disguise the malicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://gawevinor.intelectovirtual.com/uploads/2020/01/28/tapudum.pdf PDF link annotation
    • http://spokaneboudoirphotography.com/uploads/1/3/0/6/130604091/2873856.pdfIn PDF document text
    • http://eurekaarchitecture.com/uploads/1/3/0/5/130540197/wutajopalo.pdfIn PDF document text
    • http://hello-baby-toys.com/uploads/1/3/0/6/130639239/130639239.html#reading+activity+for+6th+gradeIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000f92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF92 7676 bytes
SHA-256: 210ed912fc33c14e7c577ba3bbb1ea936f171cb56bd00c6b98c4e42338bdaa0b