Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd074a1add94380…

MALICIOUS

PDF

117.9 KB Created: 2022-09-13 16:24:55 +00:00 Authoring application: umpfer (via PDF Master 1.0.1) First seen: 2026-06-26
MD5: 6528a66eee35cccfc627497e0ee043fa SHA-1: 83881c67f31588c9ac3a2e5ef05a6039c6b40af4 SHA-256: 3dd074a1add94380031f1caa18567e2661c4028cafb7ceb5f6cb417105a969c2
104 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0005

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 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.
  • 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://mydrugdir.com/reliving.ahhs/ZG93bmxvYWR8Ymc4TVc5NWVtdDhmREUyTmpJMk9EQXpPVEI4ZkRJMU9UQjhmQ2hOS1NCWGIzSmtjSEpsYzNNZ1cxaE5URkpRUXlCV01pQlFSRVpk/hippocampus.houseclean?litem=dulchi&VG9ycmVudCBhcmNoaXRlY3RlIDNkIDIwMTMgdWx0aW1hdGUVG9 PDF link annotation
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    • https://imarsorgula.com/wp-In PDF document text
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    • http://www.tcpdf.orgIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text