Malicious PDF — malware analysis report

Static analysis result for SHA-256 62ccda0518570245…

MALICIOUS

PDF

39.4 KB Authoring application: OpenOffice.org
MD5: b34a019c248481a5010ecc2e9eb43dd4 SHA-1: 33cd2edaeae027c7075ce27fe2c8faaa644a59b7 SHA-256: 62ccda0518570245962add9bbf3a61e074b2212fd4b81f9a3bfc14d5afff878c
152 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF documents, a technique often used for SEO spam or to distribute malicious content. ClamAV detected this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection scheme. The embedded URLs are likely part of this redirection or content distribution mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://athletesrecycle.com/uploads/1/3/0/5/130541765/795201.pdf
    • http://oyekanlaws.com/uploads/1/3/0/4/130476322/11301.pdf
    • http://krystalsforthespirit.com/uploads/1/3/0/6/130622025/23c91a2d6443.pdf
    • http://oliveraconst.com/uploads/1/3/0/4/130483345/buxurejukeradulimo.pdf
    • http://karraschconsulting.com/uploads/1/3/0/6/130621404/7211657.pdf
    • http://smokeytrout.com/uploads/1/3/0/5/130589132/6541292a8.pdf
    • http://babyphoton.com/uploads/1/3/0/6/130639085/jiwaxavuk.pdf
    • http://muje.askaryan.com/uploads/2020/01/28/4920838.pdf
    • http://miam-foundation.com/uploads/1/3/0/6/130605124/3937732.pdf
    • http://msilaser.com/uploads/1/3/0/6/130604928/sidigofabov.pdf
    • http://repentir.me/uploads/1/3/0/6/130604675/nebefujusenofi.pdf
    • http://centreformindfulness.ca/uploads/1/3/0/6/130621143/130621143.html#fiba+basketball+rules+quotient+system

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000127d.bin
f80b72abf60fc9fc28ac99bb69b9432e779e37e2dc83eafaa964caa489276a44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x127D 8228 bytes

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