Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e7e9127af66740b…

MALICIOUS

PDF

77.6 KB Created: 2021-09-21 06:26:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: fe3cf68e13dcb784f393c95a81f863d0 SHA-1: 4ba578ffdeb7d692491ec760ba528a236371e420 SHA-256: 9e7e9127af66740b896a7a094ffbdc946aa62716619aadd26ac081900cf18f7b
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, many of which point to disposable domains, indicating a link farm or phishing attempt. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggests this malicious intent. While no scripts were explicitly extracted, the presence of PDF-specific heuristics and the overall structure point towards a malicious document designed to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6548

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 https://adasms.fr/userfiles/file/16519425672.pdf In PDF document text
    • http://www.pattyn360.com/upload/forum/files/batifu.pdfIn PDF document text
    • http://studiozoppini.com/userfiles/files/33613542504.pdfIn PDF document text
    • https://aymsoft.us/aym_image/files/bitilojegokex.pdfIn PDF document text
    • https://tskrea.com/userfiles/file/96388761165.pdfIn PDF document text
    • http://lokalsport.no/userfiles/file/81603908909.pdfIn PDF document text
    • http://smcertificationservices.com/userfiles/files/52068555205.pdfIn PDF document text
    • http://fujavietnam.com/images/Download/68882179576.pdfIn PDF document text
    • https://solener.info/ckfinder/userfiles/files/sepirajazax.pdfIn PDF document text
    • http://noahmission.org/dataroom/file/moponufafinenim.pdfIn PDF document text
    • http://narnivet.com/userfiles/files/lujewuzowejonufi.pdfIn PDF document text
    • http://fuhua.tumujike.com/assets/upload/files/202109080735118655.pdfIn PDF document text
    • http://mdfgiare.com/upload/files/didizatakiwejodekoso.pdfIn PDF document text
    • http://whatcanidoforyou.eu/publish/file/kutupetufakedowurid.pdfIn PDF document text
    • http://sirinthepgroup.com/userfiles/file/33025624327.pdfIn PDF document text
    • http://megat.pl/uploaded/fck_files/file/nememibopobexube.pdfIn PDF document text
    • http://pyroglobal.sk/app/webroot/files/userfiles/files/32626682510.pdfIn PDF document text
    • http://desiaussies.com/ckeditor/uploads/files/18064330149.pdfIn PDF document text
    • http://mskgroup-spb.ru/upload/file/97778724833.pdfIn PDF document text
    • https://jakspravnenapsa.cz/userfiles/file/83599815162.pdfIn PDF document text
    • http://radio6deenero.com/uploaded/files/rumuvigese.pdfIn PDF document text
    • http://aa-nusd.jp/14559583900.pdfIn PDF document text
    • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/frs5iomelafoiiigdjei0vrm3j/nelezojitipa.pdfIn PDF document text
    • http://equipociclistaugeraga.com/ciclistas/userfiles/file/finitijarejaresorixosuzi.pdfIn PDF document text
    • http://seowonbattery.com/files/fckeditor/file/1844678614612f5a290c34a.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=android+developer+setupPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011dab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DAB 10368 bytes
SHA-256: beac368c611024e7cce69268d63d802419567aa564a17aa823025049cf78020e

Open this report in the interactive analyzer, or submit your own file for analysis.