Malicious PDF — malware analysis report

Static analysis result for SHA-256 4150ea26049982d2…

MALICIOUS

PDF

126.6 KB Created: 2022-06-09 21:29:54 +02:00 Authoring application: breequy (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 0b5d2492a9e729b8a180bfcbf783cb40 SHA-1: ad3a2b08d9166572fb511c8d6a4e01d45d9dd9ce SHA-256: 4150ea26049982d210b4266e74a65460ff23d2699c70383bb29d3eb97d0311a2
64 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting an attempt to direct users to potentially malicious websites. One of the primary links, http://evacdir.com/RGVncmVtb250IFdhdGVyIFRyZWF0bWVudCBIYW5kYm9vayA3dGggRWRpdGlvbiBQZGYRGV.bouwmeester/kalinda.ghalib/gradresumes.ZG93bmxvYWR8YWU0WkRWaWNYeDhNVFkxTkRjNE1EYzROM3g4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.matchday.minho.crooked, is particularly suspicious due to its encoded nature and length. The document body is heavily obfuscated and does not provide clear textual lures.

Machine Learning

  • Nyx PDF Classifier clean score 0.0280

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.
  • 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://evacdir.com/RGVncmVtb250IFdhdGVyIFRyZWF0bWVudCBIYW5kYm9vayA3dGggRWRpdGlvbiBQZGYRGV.bouwmeester/kalinda.ghalib/gradresumes.ZG93bmxvYWR8YWU0WkRWaWNYeDhNVFkxTkRjNE1EYzROM3g4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.matchday.minho.crooked
    • http://www.fuertebazar.com/2022/06/09/mastercam-2018-x64-serial-key-keygenl-_hot_/
    • http://barrillos.es/wp-content/uploads/2022/06/Zoomtext_10_1_Crack_15.pdf
    • https://www.sosho.pk/upload/files/2022/06/vQbJK2QNIT5vGXUoA5Zz_09_eef07cd5a302b31715a7ade02df8f357_file.pdf
    • https://bookland.ma/2022/06/09/adobe-photoshop-lightroom-4-crack-amtlib-dll/
    • http://www.vidriositalia.cl/?p=6074
    • http://mein-portfolio.net/wp-content/uploads/2022/06/emmvalo.pdf
    • https://community.tccwpg.com/upload/files/2022/06/9ugtv7EJIkBZhSGqOH5s_09_a1f06bf8cbd5581d24c339c235999831_file.pdf
    • https://www.indiecongdr.it/wp-content/uploads/2022/06/trisway.pdf
    • https://www.mountainvalleyliving.com/wp-content/uploads/2022/06/Download_Ezfrisk_760_Crack_ultimi_henger_stupid.pdf
    • https://www.la-pam.nl/remove-wat-v2-2-5-2-windows-7-activation/
    • https://bryophyteportal.org/frullania/checklists/checklist.php?clid=17724
    • https://antoinevanaalst.com/wp-content/uploads/2022/06/Red_Orchestra_2_Steam_Crack_Onlyreloaded.pdf
    • https://www.lichenportal.org/chlal/checklists/checklist.php?clid=20671
    • https://cch2.org/portal/checklists/checklist.php?clid=12738
    • http://www.indepthnepal.com/prototype-art-cab-download-exclusive/
    • http://rastadream.com/?p=7053
    • https://lagaceta.montehermoso.com.ar/advert/http-hypertext-transfer-protocol-protocol-version-1-1/
    • https://aandeconference.org/wp-content/uploads/2022/06/elltala.pdf
    • https://wkib.de/wp-content/uploads/2022/06/NuMega_SmartCheck_621286_RC2_Portable51.pdf
    • https://bluesteel.ie/2022/06/09/rasterlink-pro-5-sg-keygen-52/
    • http://www.tcpdf.org
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00001a4f.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1A4F 120140 bytes