Malicious PDF — malware analysis report

Static analysis result for SHA-256 1421eb59bda793f9…

MALICIOUS

PDF

124.6 KB Created: 2022-06-12 02:54:51 +02:00 Authoring application: osmagly (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 66c0d4d1e7c1a6c8118b65ca5eb6d690 SHA-1: a04376d28bf9247de3485164236238c700829895 SHA-256: 1421eb59bda793f9ef8b83bb1c5bb2ecb9ca6628cf08fefc4f16c3d2717fb71e
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link farm advertising cracked software, directing users to download potentially malicious files. The embedded URLs suggest a lure for pirated software, likely to distribute malware. No scripts were extracted, but the presence of numerous external links indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0206

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://evacdir.com/venezuela/?ZG93bmxvYWR8NUw5TXpsallueDhNVFkxTkRrNE9URTJNbng4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA=SU9iaXQgVW5pbnN0YWxsZXIgOS4zLjAuOSBDcmFjayB3aXRoIEFjdGl2YXRpb24gVG9ycmVudCBrZXkgMjAyMASU9?escorial=cartilage&emirates=ventricles
    • https://blacksocially.com/upload/files/2022/06/xFmwKbha1z4NwimZNef5_12_899b6244ecfaa68f6f79ddc53365a6d2_file.pdf
    • https://moulderp.it/verified-crack-iobit-driver-booster-pro-7-5-0-695-verified-crack/
    • https://bymariahaugland.com/wp-content/uploads/2022/06/vannan.pdf
    • https://www.estudiferrer.com/wp-content/uploads/2022/06/Jar_Design_A330_Crack_79l_EXCLUSIVE.pdf
    • http://humlog.social/upload/files/2022/06/jT3rCsY3Ondw8oDhcefU_12_899b6244ecfaa68f6f79ddc53365a6d2_file.pdf
    • https://homi.cc/wp-content/uploads/2022/06/Pes_2013_Patch_Commentary_Fares_Awad_Arab_Free_Dawnlead.pdf
    • https://mevoydecasa.es/full-family-keylogger-2-83-2010-crack-better-gurufuel/
    • https://harneys.blog/wp-content/uploads/2022/06/xfadesk_2014_x32exe_torrent.pdf
    • https://gtpsimracing.com/wp-content/uploads/2022/06/Descargar_Solucionario_Fisica_Wilson_Buffa_Lou_Sexta_Edicion.pdf
    • https://www.bryophyteportal.org/portal/checklists/checklist.php?clid=26608
    • http://chatroom.thabigscreen.com:82/upload/files/2022/06/mSzXcIr1sCfRGosYMh76_12_ed4309a84301eb3ddd1f5ecdf17850ed_file.pdf
    • https://agroanuncios.pe/wp-content/uploads/2022/06/Microsoft_Toolkit_26_Beta_2_Windows_Office_Activator_B4tman_Download_Pc.pdf
    • https://72bid.com?password-protected=login
    • https://www.pteridoportal.org/portal/checklists/checklist.php?clid=19321
    • https://earthoceanandairtravel.com/2022/06/11/top-crack-dlg-pc-compta-algeriel/
    • http://www.brickandmortarmi.com/wp-content/uploads/2022/06/CRACK_TypingMaster_Pro_V701763rar.pdf
    • http://kramart.com/maatran-tamil-full-movie-download-free-torrent/
    • https://xenosystems.space/wp-content/uploads/2022/06/Geo_5_Crack_Serial_Keygen.pdf
    • https://lightsout.directory/wp-content/uploads/2022/06/mach3_crack.pdf
    • http://www.thebangladeshikitchen.com/wp-content/uploads/2022/06/Megaman_Robot_Master_Field_Guide_Download.pdf
    • http://www.tcpdf.org
    • http://bit.ly/2NhUj6z
    • 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_002_off00000f67.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF67 120140 bytes

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