Malicious PDF — malware analysis report

Static analysis result for SHA-256 47a2dd4158569bfc…

MALICIOUS

PDF

85.9 KB Created: 2021-10-04 16:44:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 7af816ba8ce7e2c9bda5e6257d3ce15d SHA-1: 3ed3daf1bb44590fdd06693df38bd75f459aee75 SHA-256: 47a2dd4158569bfcb26fad692b44c9d7c448518f54e3943f98cf75a1f73f3047
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm with numerous disposable domains, suggesting a phishing or malware distribution scheme. Although no scripts were extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7086

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://propertiproperty.com/Uploads/userfiles/files/disakizofod.pdf In PDF document text
    • http://hoaisonland.vn/upload/files/tofavezapivubuv.pdfIn PDF document text
    • http://chickendaylacrescenta.com/uploads/files/96494044485.pdfIn PDF document text
    • https://ezastupitelstvo.sk/editor_uploads/system/files/zoxasaruzoremedumo.pdfIn PDF document text
    • https://springkasteelhuren.be/userfiles/file/famoxewakifaxidegerebol.pdfIn PDF document text
    • https://sukhayurveda.in/userfiles/file/punuwinerojesizotuze.pdfIn PDF document text
    • http://anduong-nhatthanh.com/uploads/news_file/25106676197.pdfIn PDF document text
    • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/b904f0ebc1170fa1482612aff0929161/42374237961.pdfIn PDF document text
    • https://yptea.com/data/fckeditor/files/ledipe.pdfIn PDF document text
    • http://svadbavmoskve.com/content/xuploadimages/file/mibuminuge.pdfIn PDF document text
    • http://www.guus.edu.mn/ckfinder/userfiles/files/sinewaxewimosomeme.pdfIn PDF document text
    • http://apartament-krokus.pl/userfiles/file/vujozuro.pdfIn PDF document text
    • http://alothongtin.com/upload/FCK/file/jifutoxemodudebosunu.pdfIn PDF document text
    • http://hum-lucknow.org/test/fckeditor/file/kazigasigazogezo.pdfIn PDF document text
    • http://talk200.com/admin/admin/uploadfiles/file/38024802583.pdfIn PDF document text
    • https://www.ventisilva.com.br/ckfinder/userfiles/files/74554040044.pdfIn PDF document text
    • http://navigator-nsk.ru/userfiles/file/jeruvusigele.pdfIn PDF document text
    • http://startmatbaa.com/userfiles/file/29853618782.pdfIn PDF document text
    • https://nulifeus.com/~nulife/userfiles/file/28076568516.pdfIn PDF document text
    • https://adsbudget.net/userfiles/file/jizizuwimativigor.pdfIn PDF document text
    • http://pi-consulting.ch/download/59768276096.pdfIn PDF document text
    • http://divapharma.com/uploaded/file/pekemifew.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=hollywood+dual+audio+480pPDF 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_off00012d06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D06 10480 bytes
SHA-256: 1a1a57e20d11ca31c099ed42145becb4852bac69756a943563d3d425591dcd05

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