Malicious PDF — malware analysis report

Static analysis result for SHA-256 e05262741bc0a9fd…

MALICIOUS

PDF

64.0 KB Created: 2021-09-20 16:06:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: 6b662dceaac46b7b33860352abdc6736 SHA-1: 2ee080eef92d77fcaa586e9fac17a7413eecd93c SHA-256: e05262741bc0a9fd4cce87cd79b0b507e8ca8152da752ea4989bda2b3a174037
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. ClamAV detection and ML classification further indicate malicious intent. While no scripts were explicitly extracted, the presence of embedded URIs suggests the document is designed to redirect users to potentially malicious sites, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6736

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://pistant.ru/uplcv?utm_term=ready+player+one+watch+free+online PDF link annotation
    • https://www.area-tlc.com/public/ckfinder/userfiles/files/8330253900.pdfIn PDF document text
    • https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/kawot.pdfIn PDF document text
    • https://interstudy.net/userfiles/file/81127761606.pdfIn PDF document text
    • http://www.findvoters.com/userfiles/file/22961373735.pdfIn PDF document text
    • http://arcenevents.nl/site/upload/files/9834258795.pdfIn PDF document text
    • http://kibunajcc.com/ckfinder/userfiles/files/muxafeje.pdfIn PDF document text
    • http://gopherandsquirrelcontrol.com/admin/images/file/levegelugebedojag.pdfIn PDF document text
    • https://bcbc3399.com/upload/files/14100249592.pdfIn PDF document text
    • https://ruxthai.com/ckfinder/userfiles/files/46698699369.pdfIn PDF document text
    • http://sangjeom.com/userfiles/file///ravigaxatap.pdfIn PDF document text
    • http://flairpens.ru/uploads/files/48685022312.pdfIn PDF document text
    • http://slsnn.ru/content/files/39044948968.pdfIn PDF document text
    • http://tunecharts.com/userfiles/file/35566346150.pdfIn PDF document text
    • http://koreadramatour.com/FileData/ckfinder/files/20210909_909DE3B8102C837C.pdfIn PDF document text
    • https://pcparts.fr/ckfinder/userfiles/files/64848052669.pdfIn PDF document text
    • https://santaclara.com/wysiwygfiles/file/jagigajejesadaju.pdfIn PDF document text
    • https://himalmanpower.com/ckfinder/userfiles/files/53442248627.pdfIn PDF document text
    • http://baschin-heizung.de/meineBilderAlbertGrundschule/file/48470700734.pdfIn PDF document text
    • http://kozhencherrymtc.org/userfiles/file/26855867713.pdfIn PDF document text
    • http://abakus-routing.co.uk/ckfinder/userfiles/files/toxunasetetago.pdfIn PDF document text
    • https://garnizone.com/userfiles/file/89972973433.pdfIn PDF document text
    • https://fortworthdental.net/cmsCart/upload/file/matofufedurorexi.pdfIn PDF document text
    • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130c810e896b---33940025316.pdfIn PDF document text
    • 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_off0000d551.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD551 17844 bytes
SHA-256: 5ab684de638ce5b771ff929e1b31bbf9439ccf7756d254dea13311810327df61

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