Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e22a1142fbbc683…

MALICIOUS

PDF

64.3 KB Authoring application: SWFTools First seen: 2020-09-24
MD5: 6c896a77556fe10b9ea84357d32f2caf SHA-1: b309370111009bf961eebc241d4943609040d855 SHA-256: 9e22a1142fbbc6831a77306eacfbf17edd286549e3a5a2bdcab4b9b6ae22c40d
152 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM'. The document body and heuristic firings indicate it is an 'ADVANCE_FEE_SCAM_LURE', likely attempting to trick users into clicking malicious links. ClamAV also detected it as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The embedded URLs are the primary indicators of compromise, leading to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

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://securities-analysis.com/uploads/1/3/0/5/130540352/nimotubu-babetotekowij-nojazajabu-zijuvazar.pdf In PDF document text
    • http://nafe.1000bitcoinhomepage.com/uploads/2020/01/28/reripiv.pdfIn PDF document text
    • http://merlene.ca/uploads/1/3/0/2/130291029/muvilofolata_pirovilevexo_disazebo.pdfIn PDF document text
    • http://mtchoirs.com/uploads/1/3/0/5/130588989/437888.pdfIn PDF document text
    • http://sharedtravel.voyagerwebsites.com/uploads/1/3/0/3/130323116/130323116.html#autodesk+animator+studioIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B6 10228 bytes
SHA-256: f48bf5af3db31f5efcdf94235668bc6909a6247c97e096532043fad06f6bd3d4
font_01_sfnt_off0000a504.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA504 16268 bytes
SHA-256: 5d7ebd720715cd86529581f1d40cc643f68465477bd430d4be5ff736bc95f798
font_02_sfnt_off0000ba60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBA60 5244 bytes
SHA-256: afd8868629b61d85ec32a8a0de1ca84da82d48156cdd7447d7c4f51403cf5149

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