Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0497184afcaeae3…

MALICIOUS

PDF

40.1 KB Authoring application: Adobe PDF Library 9.0 First seen: 2021-02-09
MD5: 4c39ece48a0cacbc80f801807d22cc0a SHA-1: 51b818d45dd4d46a61ca96d5100d02c6a6cfcb77 SHA-256: f0497184afcaeae3fb7a0090a0cbf63ecdc4142ffccef20f93cf13cea31541e6
192 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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://tfamcon.com/uploads/1/3/0/6/130605133/3416503.pdf In PDF document text
    • http://fatig.kuhni-msc005.icu/uploads/2020/01/28/9d6c6ce68ae540.pdfIn PDF document text
    • http://tepobuk.amazon-sellers-check.com/uploads/2020/01/27/7291800.pdfIn PDF document text
    • http://samirude.wosistemas.com/uploads/2020/01/27/2dc484d1817648.pdfIn PDF document text
    • http://uaenoon.net/uploads/2020/01/28/jelonagugid.pdfIn PDF document text
    • http://bethlauzier.com/uploads/1/3/0/6/130639895/vodirafosupina.pdfIn PDF document text
    • http://kegakoblinds.com/uploads/1/3/0/5/130551659/8882392.pdfIn PDF document text
    • http://pob.zotye-t600.ru/uploads/2020/01/29/16d189dd6d4f0.pdfIn PDF document text
    • http://sabinescottage.com/uploads/1/3/0/5/130540159/3199160.pdfIn PDF document text
    • http://fortworthinjurylawyer.us/uploads/1/3/0/2/130272918/a68cb.pdfIn PDF document text
    • http://southwestminnesotastringfestival.com/uploads/1/3/0/4/130477661/130477661.html#la+vie+en+rose+partitura+piano+y+vozIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E9 10060 bytes
SHA-256: 0936b2b5622d5af5764b425809595644fee14df7a9d3ec9c9024dcb36a754a9d
font_01_sfnt_off00005588.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5588 16184 bytes
SHA-256: 209a1914dac8e9aac3c16c0a9081bcc733128533442ca7fed933fc343c2e6065

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