Malicious PDF — malware analysis report

Static analysis result for SHA-256 c88ba026f751df91…

MALICIOUS

PDF

130.0 KB Created: 2022-06-08 02:09:43 +02:00 Authoring application: shazeph (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 78792a2e7ed3732065427c594eb27da0 SHA-1: 87e9f37d72723ca3ff9b042dea5e8caac9682faa SHA-256: c88ba026f751df918a27371b384924919ef14f89439fdc676670bfcb35ec1be7
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. One of the primary links points to 'evacdir.com', which is likely part of a malicious infrastructure. The document body is heavily obfuscated and unreadable, preventing a clear understanding of its specific lure, but the presence of numerous external links strongly suggests a redirection or content-hosting attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier clean score 0.0251

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/carri/hazards/undernourished/ZG93bmxvYWR8SXQ5TWpnME5ueDhNVFkxTkRZME16TTFNSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA&hughes/kilauea&cavalli/VG9wb0Z1c2lvbiBCYXNpYwVG9.knowledgable
    • https://lichenportal.org/cnalh/checklists/checklist.php?clid=15812
    • https://www.opticnervenetwork.com/wp-content/uploads/2022/06/Chrome_And_Pink_Set__Free_PCWindows_Updated_2022.pdf
    • http://mysquare.in/?p=9200
    • https://hanna-kash.ru/?p=3700
    • https://murmuring-earth-93809.herokuapp.com/Bookbind.pdf
    • https://articlebeast.online/php-tools-for-visual-studio-crack-product-key-free-download-x64/
    • https://www.petscool.ru/upload/files/2022/06/yoPuISi2Ju9KPBSeq8mi_08_06436190e9deae0d11c52bff76947395_file.pdf
    • http://www.shpksa.com/wp-content/uploads/2022/06/Bubbles.pdf
    • https://www.didochat.com/upload/files/2022/06/LFwdJJHV9bVm4c5CADwf_08_06436190e9deae0d11c52bff76947395_file.pdf
    • http://www.astrojan.nl/wp-content/uploads/2022/06/Advanced_PDF_Concatenator_With_Key_MacWin_Latest_2022.pdf
    • https://www.plori-sifnos.gr/asciimilator-crack-with-product-key-free-download-mac-win/
    • https://liverpooladdicts.com/wp-content/uploads/2022/06/UltraVPN.pdf
    • http://www.acasi.org/point-mass-balistics-solver-crack-full-version/
    • https://www.promorapid.com/upload/files/2022/06/SS4rrIm5bYLlqfeQdCID_08_45a4d2900c6beadc361be77baee4cc58_file.pdf
    • https://fryter.com/upload/files/2022/06/5bFFmYZlRXeK1kCXFhec_08_b20587fec53d930bde90791c1298a08f_file.pdf
    • https://therookeryonline.com/advert/windows-vault-password-decryptor-crack-torrent-pc-windows/
    • https://www.georgiacannabis.org/wp-content/uploads/2022/06/Twitter_Delitter__Crack__Activation_Key_MacWin.pdf
    • http://chemistrygate.com/wp-content/uploads/2022/06/Calculator_Plus__Crack__For_PC_Updated_2022.pdf
    • https://semiahmoomarina.com/wp-content/uploads/2022/06/Reset_Windows_Password__Crack_With_License_Key_WinMac_April2022.pdf
    • https://fuckmate.de/upload/files/2022/06/a6hELoxmYYKjASFBvA3x_08_b20587fec53d930bde90791c1298a08f_file.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_003_off000025bb.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x25BB 120140 bytes