Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9aab3234eea4cab…

MALICIOUS

PDF

126.8 KB Created: 2022-06-11 12:04:23 +02:00 Authoring application: moredat (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 36e2f63a58a21cfc3ed72da84cce5a70 SHA-1: 0a0078197992b961dae9e8e655a8560ff1e53b98 SHA-256: d9aab3234eea4cab391d522d27d26d286d53d2a63b139da1c9fdbcfe39a14fde
64 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or a lure to download further malicious content. One of the embedded URLs, http://evacdir.com/newint/cullet.cGVydmV6IGFrYmFyIHBlZGlhdHJpY3MgcGRmIDIycGV/folkloric.ZG93bmxvYWR8QXU0Ym1JeWRIeDhNVFkxTkRnNU16RTVNWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.isnt/lorimer.tympan, is flagged as an external URI. The document body is heavily obfuscated and does not provide clear textual lures.

Machine Learning

  • Nyx PDF Classifier clean score 0.0296

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/newint/cullet.cGVydmV6IGFrYmFyIHBlZGlhdHJpY3MgcGRmIDIycGV/folkloric.ZG93bmxvYWR8QXU0Ym1JeWRIeDhNVFkxTkRnNU16RTVNWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA.isnt/lorimer.tympan
    • https://remcdbcrb.org/wp-content/uploads/2022/06/odeewend.pdf
    • https://beachvisitorguide.com/wp-content/uploads/2022/06/thorpea.pdf
    • https://yemensouq.com/wp-content/uploads/2022/06/Demolition_Company_Gold_Edition_Crack_Patch_Download.pdf
    • https://tchadmarket.com/wp-content/uploads/2022/06/Allway_Sync_Pro_1915_With_Full_Crack.pdf
    • https://aapanobadi.com/2022/06/11/hunt-down-the-freeman-crackfix-codex-codex-work/
    • https://koshmo.com/?p=36681
    • https://movingbay.com/?p=11080
    • https://www.eur-ex.com/wp-content/uploads/2022/06/Nero_Video_2014_Turkce_Fullindir_LINK.pdf
    • https://inge-com.fr/wp-content/uploads/2022/06/thor_2_full_movie_free_download_in_tamil_dubbed_telugu.pdf
    • https://ppetn.com/wp-content/uploads/2022/06/Amcc_Pci_Matchmaker_S5935qf_Driverl.pdf
    • https://luxurygamingllc.com/franson-gpsgate-2-6-serial-112/
    • http://www.kotakenterprise.com/livro-chapeuzinhos-coloridos-pdf/
    • https://buycoffeemugs.com/kirby-adventure-wii-wbfs/
    • https://opiancona.it/bandi/halo-4-pc-no-password-download-full-game-torrent-verified/
    • https://ozarkinstitute.oncospark.com/wp-content/uploads/2022/06/Samsung_Galaxy_S3_GtI9300_Android_Version__43_Offical_Firmwa.pdf
    • https://ascenso.co/uncategorized/formatfactory-1-45-zip-serial-key/
    • https://blankbookingagency.com/?p=254893
    • http://www.ventadecoches.com/mentor-graphics-pads-95-crack-exclusive/
    • https://flagonsworkshop.net/upload/files/2022/06/zEpvr7Wb96wb8dEn2KwP_11_e310d859f8413aef8425fcc9e1562d0f_file.pdf
    • https://yemensouq.com/wp-
    • https://inge-com.fr/wp-
    • https://ozarkinstitute.oncospark.com/wp-
    • https://flagonsworkshop.net/upload/files/2022/06/zEpvr7Wb96wb8dEn2KwP_11_e310d859f8413aef84
    • https://monarch.calacademy.org/checklists/checklist.php?clid=7981
    • 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_off0000136c.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x136C 120140 bytes