Malicious PDF — malware analysis report

Static analysis result for SHA-256 efe9523d6af69dce…

MALICIOUS

PDF

135.0 KB Created: 2022-06-08 03:50:43 +02:00 Authoring application: adeteac (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: cdf535314b876ba27b610dafaf8f3d70 SHA-1: a62ec4489a4c2604ea364695d98110cfce63594c SHA-256: efe9523d6af69dce5a864a09e36cf5cd3fd92a162e0300f384192c83fa64faec
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. One of these links, http://evacdir.com/archiveus.extenuating/worzel/..., points to a suspicious URL that likely serves as a download or redirection point for malicious content. The presence of numerous links suggests a tactic to distribute malware or engage in SEO poisoning.

Machine Learning

  • Nyx PDF Classifier clean score 0.0258

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/archiveus.extenuating/worzel/?kaffer=koufax&R2VzdAR2V=ZG93bmxvYWR8eVAwTmpjM01ueDhNVFkxTkRZME16TTFNSHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA
    • http://humlog.social/upload/files/2022/06/JkgnKTpVGGyqkKlHtwBe_08_b645b2b05a4ac42710280c3b89e20faf_file.pdf
    • http://fasbest.com/?p=25488
    • https://murahlo.com/wp-content/uploads/2022/06/CheeseOnTourcom_Random_Cheese_Facts__Crack__3264bit.pdf
    • http://www.ponder-ks.org/wp-content/uploads/2022/06/GStreamer.pdf
    • https://cgservicesrl.it/wp-content/uploads/2022/06/PC_TuneUp.pdf
    • https://lll.dlxyjf.com/upload/files/2022/06/jcYbcnXchPlujS2GlW3p_08_82716d527368c90861e96e0087c157e4_file.pdf
    • https://wanoengineeringsystems.com/wp-content/uploads/2022/06/xyndkyle.pdf
    • https://entrepreneurlifecompliance.com/wp-content/uploads/2022/06/MyTrans__Crack___With_Registration_Code_Download_Final_2022.pdf
    • https://bestasmrever.com/wp-content/uploads/2022/06/W32_Mutant_Trojan_Cleaner_Crack_Torrent_Activation_Code_Free_Download.pdf
    • https://deeprooted.life/wp-content/uploads/2022/06/Squid_Efficiency_Analyzer_Crack__Download.pdf
    • https://rit48.ru/wp-content/uploads/2022/06/heatjar.pdf
    • http://chatroom.thabigscreen.com:82/upload/files/2022/06/yee9pt3CkCS5ClcMEmV6_08_82716d527368c90861e96e0087c157e4_file.pdf
    • https://kasz-bus.info/wp-content/uploads/2022/06/JSON_Viewer_Crack__Activation_Code_With_Keygen_Download.pdf
    • https://morda.eu/upload/files/2022/06/KtR6FCFyPPhkzuoFADan_08_add588a30d0d6bdc9e76a311b0d1040f_file.pdf
    • https://community.soulmateng.net/upload/files/2022/06/ZLcMPFjt1sds2yG3LxdI_08_b645b2b05a4ac42710280c3b89e20faf_file.pdf
    • https://businessbooster.page/wp-content/uploads/2022/06/gabnatt.pdf
    • http://www.sparepartsdiesel.com/upload/files/2022/06/kHrnIuXn6tCH7iGAi9pc_08_b645b2b05a4ac42710280c3b89e20faf_file.pdf
    • https://www.chesapeakemarineinst.com/userbenchmark-download-x64/
    • http://letuscook.it/wp-content/uploads/2022/06/KIBase_QuickPad_Crack__Download.pdf
    • https://myblogtime.com/wp-content/uploads/2022/06/talhar.pdf
    • https://entrepreneurlifecompliance.com/wp-
    • https://bestasmrever.com/wp-
    • http://chatroom.thabigscreen.com:82/upload/files/2022/06/yee9pt3CkCS5ClcMEmV6_08_82716d527368c90861e96e0087c15
    • https://community.soulmateng.net/upload/files/2022/06/ZLcMPFjt1sds2yG3LxdI_08_b645b2b05a4ac42710280c3b89e20faf_f
    • http://www.sparepartsdiesel.com/upload/files/2022/06/kHrnIuXn6tCH7iGAi9pc_08_b645b2b05a4ac42710280c3b89e20faf_fil
    • 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_004_off00002e32.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2E32 120140 bytes

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