Malicious PDF — malware analysis report

Static analysis result for SHA-256 aabcce0dd3bdaba3…

MALICIOUS

PDF

126.3 KB Created: 2022-07-05 04:40:30 +00:00 Authoring application: jaeldawa (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 1b2514e3070ce2a27a13bb712b570e90 SHA-1: f835887619031431866404a1850e7fbdfef542d9 SHA-256: aabcce0dd3bdaba31d58b4cdb9843af3b7e78072a66c4a0a324a9dfb86a3e554
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, many of which advertise cracked software. One of the primary external links, http://sitesworlds.com/embroiderers/UGhvdG9zaG9wIENTNQUGh/futurestradingsite?passively=horrors&ZG93bmxvYWR8M3Z3Tm14dWJYeDhNVFkxTmprNE1UVXdOSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA=dorval=mindfulness, is likely part of a malicious campaign to lure users to download malware disguised as legitimate software or tools.

Machine Learning

  • Nyx PDF Classifier clean score 0.0144

Heuristics 4

  • 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 farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://sitesworlds.com/embroiderers/UGhvdG9zaG9wIENTNQUGh/futurestradingsite?passively=horrors&ZG93bmxvYWR8M3Z3Tm14dWJYeDhNVFkxTmprNE1UVXdOSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA=dorval=mindfulness PDF link annotation
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