Malicious PDF — malware analysis report

Static analysis result for SHA-256 e40d1de569c3a9a5…

MALICIOUS

PDF

131.3 KB Created: 2022-06-10 05:35:19 +02:00 Authoring application: yolwar (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 342e2d5497c9f4cba466dcb22dc81d10 SHA-1: 3d263c9b8cc83d5081dd22f02b71c0da34d54baf SHA-256: e40d1de569c3a9a5e20dd3f6b50336b80aaa08ad9219924777fa59b0f9f78cb1
64 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified as a link farm, which is a common technique for distributing malware. The primary URL, http://evacdir.com/ravage/gymnastic.ZG93bmxvYWR8RTF2TnpKNWFueDhNVFkxTkRjNE1EZzNPWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA?rents&fora=c29sdWNpb25hcmlvIGRlIGZpc2ljb3F1aW1pY2EgY2FzdGVsbGFuIDIgZWRpY2lvbi4zNQc29/, likely serves as a download source for a second-stage payload. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0092

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/ravage/gymnastic.ZG93bmxvYWR8RTF2TnpKNWFueDhNVFkxTkRjNE1EZzNPWHg4TWpVM05IeDhLRTBwSUhKbFlXUXRZbXh2WnlCYlJtRnpkQ0JIUlU1ZA?rents&fora=c29sdWNpb25hcmlvIGRlIGZpc2ljb3F1aW1pY2EgY2FzdGVsbGFuIDIgZWRpY2lvbi4zNQc29/
    • https://johnsonproductionstudios.com/wp-content/uploads/2022/06/Windows_Server_2008_R2_Standard_32_Bit_Product_Key.pdf
    • http://liverpooladdicts.com/?p=10854
    • http://networks786.ovh/upload/files/2022/06/xr5saIyuZp4fIPd8iG1b_10_df97f94ec6ed0df419e73c7f2e433469_file.pdf
    • https://www.bergercare.de/uploads/_bergercare/2022/06/FlixGrab_V159332_Crack_UPDATEDED.pdf
    • https://sourav.info/wp-content/uploads/2022/06/1nsane_Full_Game_Download.pdf
    • https://ppetn.com/wp-content/uploads/2022/06/Elementos_De_Mecanica_De_Fluidos_Version_SI__John_Vennardpdf.pdf
    • https://transparentwithtina.com/wp-content/uploads/2022/06/Amped_Five_Download_Crack_EXCLUSIVE.pdf
    • https://islamiceducation.org.au/capture-polar-extended-edition-crack/
    • http://mikunioz.com/wp-content/uploads/2022/06/Quran__Arabic_Language_for_Kids_Free_download_Book.pdf
    • https://vitraya.io/wp-content/uploads/2022/06/VehicleCAD_2020_x64_Product_Key.pdf
    • https://www.agrofacil.co/wp-content/uploads/2022/06/Ess_Nt64_Enumsi_NEW_Crack.pdf
    • https://bestpornweb.site/wp-content/uploads/2022/06/EvaLaze__Evaluation_License_High_Performance_Software.pdf
    • https://quickpro.site/wp-content/uploads/2022/06/leobaly.pdf
    • https://www.easyblogging.in/wp-content/uploads/2022/06/Dynacord_DSP244_Windows_Full_Download.pdf
    • https://technospace.co.in/upload/files/2022/06/BCxrM4XUCJw79Lu7D3xU_10_df97f94ec6ed0df419e73c7f2e433469_file.pdf
    • http://www.gambians.fi/ioncube-php-encoder-8-3-crack-4-__full__/healthy-diet/
    • https://alumni.armtischool.com/upload/files/2022/06/A5cw2iFRXXlueZh4RFS8_10_df97f94ec6ed0df419e73c7f2e433469_file.pdf
    • https://www.yapi10.com.tr/upload/files/2022/06/C6vMJC332P5H3TwvmMle_10_7fee055bd205fd8efffe1d370b9c751e_file.pdf
    • https://ascenso.co/wp-content/uploads/2022/06/cazwyk.pdf
    • https://amoserfotografo.com/advert/sigmanest-9-1-__full__-crack/
    • https://johnsonproductionstudios.com/wp-
    • https://alumni.armtischool.com/upload/files/2022/06/A5cw2iFRXXlueZh4RFS8_10_df97f94ec6ed0df419e73c7f2e433469_fil
    • https://www.yapi10.com.tr/upload/files/2022/06/C6vMJC332P5H3TwvmMle_10_7fee055bd205fd8efffe1d370b9c751e_file.p
    • 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_006_off0000231e.bin
a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x231E 120140 bytes

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