Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e6c1d02b3d0b42d…

MALICIOUS

PDF

70.7 KB Created: 2021-09-10 23:36:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-02
MD5: b439d150ffcd9ca3700f817e2d8c8c1a SHA-1: b86c5101811953f09434c8e462345a35bed1b00e SHA-256: 2e6c1d02b3d0b42d8015f3b0d33af1feb9b239184d21885b16b1a983ae6fa409
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6664

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://poketomecam.com/uploads/files/8629541534.pdf In PDF document text
    • http://olguanaokulu.com/upload/file/58057425265.pdfIn PDF document text
    • https://uudanbury.life/files/file/getoped.pdfIn PDF document text
    • http://www.primariasantana.ro/uploads/file/xonimu.pdfIn PDF document text
    • https://petpetmates.com/files/editor/file/77988443970.pdfIn PDF document text
    • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363199811f7---toliboseniteso.pdfIn PDF document text
    • http://exosportsante.fr/ckfinder/userfiles/files/82050289327.pdfIn PDF document text
    • http://alfavs.eu/userfiles/file/59856708877.pdfIn PDF document text
    • http://geose.ru/userfiles/file/tuvivaxamelisibugogutuxop.pdfIn PDF document text
    • https://bodymason.com/user_uploads/files/jizevon.pdfIn PDF document text
    • https://promenade-perpignan.com/userfiles/file/nudovazikazufazoperuwava.pdfIn PDF document text
    • http://asremajazi.com/uploads/files/vakisumesedosutet.pdfIn PDF document text
    • http://cathyknightwaite.com/ckfinder/userfiles/files/sojelif.pdfIn PDF document text
    • https://ksdc.in/userfiles/file/83713282441.pdfIn PDF document text
    • http://bestapp4u.com/admin/uploadedfiles/file/98354757511.pdfIn PDF document text
    • https://dom4m.de/userfiles/files/sexabizafuf.pdfIn PDF document text
    • http://appartementslisa.it/an3_Uploads/file/39454507472.pdfIn PDF document text
    • https://www.naabelectric.com/userfiles/files/93064160388.pdfIn PDF document text
    • https://hotelreviewreserve.com/basefile/hotelreviewreservecom/files/56626716227.pdfIn PDF document text
    • http://bjerkelunden.org/content/files/userfiles/file///9690582928.pdfIn PDF document text
    • http://solarhomepage.ch/fckeditor/editor/images/file/28848398376.pdfIn PDF document text
    • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131d76845159---40291120274.pdfIn PDF document text
    • http://home-hj.com/up_photo/file/52585551923.pdfIn PDF document text
    • https://cissud.com/uploads/ck_editor/files/jirosolomawe.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=watch+maleficent+online+free+putlockersPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d871.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD871 10928 bytes
SHA-256: d05b40c1aabfe5b8268c60a4268a76701ba6166671a4a69b61fa723e3306bb7e
font_01_sfnt_off0000f196.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF196 17844 bytes
SHA-256: a2c420458324f46377f91c8731d6b725c4073f06c16e17bd23c09e0767d48645

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