Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d7b9bc34038343a…

MALICIOUS

PDF

124.9 KB Created: 2022-06-09 01:33:40 +02:00 Authoring application: delgild (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 9b8dd4c9e8125648be74dccb27c36420 SHA-1: 1140460764c7549c683f60a0753972fa7861bd9c SHA-256: 0d7b9bc34038343aa0ffebf347525ccd36ef90f43722f6742bf662230458523d
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a significant number of external links, many of which are designed to lure users into downloading cracked software or other potentially malicious files. One specific URL, http://evacdir.com/barack/discordia.drizzling/..., appears to be a direct payload download link, suggesting the document's primary purpose is to facilitate the download and execution of a second-stage malware. The presence of numerous SEO-optimized links further indicates a campaign to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0226

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/barack/discordia.drizzling/ZG93bmxvYWR8OEJUYmpkOGZERTJOVFEzTXpBNE9EWjhmREkxTnpSOGZDaE5LU0J5WldGa0xXSnNiMmNnVzBaaGMzUWdSMFZPWFE?matronly=dG95b3RhIGVsZWN0cm9uaWMgcGFydHMgY2F0YWxvZyBzeXN0ZW0gZnJlZSBkb3dubG9hZAdG9&plumbing=truck
    • http://exponor.mercurioantofagasta.cl/advert/a-b-c-d-song-sada-dil-bhi-tu-3gp-video/
    • https://visitfrance.travel/a_profile_of_france/french_history_101/precursor-to-versailles/sexy-sali-ko-choda-better/
    • https://ukrainefinanceplatform.com/wp-content/uploads/2022/06/quyjan.pdf
    • https://aulagarema.milaulas.com/blog/index.php?entryid=13951
    • https://hissme.com/upload/files/2022/06/TEdIrc5LjzaywYYrgJQ4_08_b02e10304ce82fe8f7d52a53b93c3fd4_file.pdf
    • https://classig.net/blog/index.php?entryid=14
    • https://pacific-reaches-53715.herokuapp.com/warnec.pdf
    • http://www.midwestmakerplace.com/?p=9146
    • https://voiccing.com/upload/files/2022/06/eX2gUIaLwCvSHDpWOWbE_08_b02e10304ce82fe8f7d52a53b93c3fd4_file.pdf
    • https://atennis.kz/tour/upload/files/2022/06/3ws3gwZ342sMHnJfvsVN_09_b02e10304ce82fe8f7d52a53b93c3fd4_file.pdf
    • https://www.cdnapolicity.it/wp-content/uploads/2022/06/terra_das_araras_vermelhas_pdf_19.pdf
    • https://kiwystore.com/wp-content/uploads/2022/06/VSDC_Free_Video_Editor_631939_64bit_Crack.pdf
    • https://inobee.com/upload/files/2022/06/9VimjPQ54CO4CHQ1MJfS_08_b02e10304ce82fe8f7d52a53b93c3fd4_file.pdf
    • https://kireeste.com/wp-content/uploads/2022/06/Elite_Torrent_Peliculas_Porno_Descargas_Full_TOPgolkes.pdf
    • https://disruptraining.com/blog/index.php?entryid=34
    • http://www.gcons.in/?p=3341
    • https://thenationalreporterng.com/wp-content/uploads/2022/06/Biwi_No_1_movie_1080p_download_torrent.pdf
    • https://jgbrospaint.com/wp-content/uploads/2022/06/Multipsk_420.pdf
    • https://www.yesinformation.com/cuftulti/2022/06/panfra.pdf
    • https://elearning.21.training/blog/index.php?entryid=14
    • https://kireeste.com/wp-content/uploads/2022/06/elite_torrent_peliculas_porno_descargas_full_topgolkes.pdf
    • 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_002_off00001320.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1320 120140 bytes

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