Malicious PDF — malware analysis report

Static analysis result for SHA-256 b9b2f55d187a5003…

MALICIOUS

PDF

51.5 KB Created: 2021-09-25 08:00:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-23
MD5: d152196648fa80e8c1aac3b95f192623 SHA-1: 8786ba8b26f993a6cf7abbb78afa9b8b76cf9457 SHA-256: b9b2f55d187a5003db4e330ab49cb4e3c1065c07070c5419ef586a598ed9bd47
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as Pdf.Phishing.Trojan. The PDF contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics suggest an attempt to redirect users to malicious or deceptive content, potentially for phishing or SEO abuse.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8336

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 http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614e48e068335---julukejoxukabofemuzutoji.pdf In PDF document text
    • https://venusnvs.com/userfiles/file/77779016832.pdfIn PDF document text
    • https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/928604366.pdfIn PDF document text
    • http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/jitetavezexipanuzezu.pdfIn PDF document text
    • https://tsegypt.com/file/15625388245.pdfIn PDF document text
    • http://bubb.cn/up_file/file/kavevusebinoligiviravori.pdfIn PDF document text
    • http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/19884878010.pdfIn PDF document text
    • https://rajakeempat.com/contents/files/zuxisexopenegud.pdfIn PDF document text
    • https://mgc.to/sites/web/upload/files/gozezu.pdfIn PDF document text
    • https://oteaexpert.fr/cite_imgs/file/ribugaworuwereruziresubi.pdfIn PDF document text
    • http://sunriverps.com/data/editor/file/xobukanozimenevakazux.pdfIn PDF document text
    • http://staceyasp.com/UserFiles/file/kusepikigunij.pdfIn PDF document text
    • http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210912155056.pdfIn PDF document text
    • http://3e-machinery.ru/app/webroot/filesfiles/dafowogekegupotokuv.pdfIn PDF document text
    • https://bodykneadstherapy.com.au/ckfinder/userfiles/files/43550547736.pdfIn PDF document text
    • http://istihdamhaberleri.com/upload/ckfinder/files/71418336695.pdfIn PDF document text
    • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9aefe5ae4---woraruw.pdfIn PDF document text
    • http://tw-echen.com/uploads/files/202109191314567172.pdfIn PDF document text
    • http://shmgec.com/Uploadfiles/files/kuginejipefefuwarip.pdfIn PDF document text
    • http://belean.pl/userfiles/file/fotutesa.pdfIn PDF document text
    • http://okna-stv.ru/userfiles/files/47913060496.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=123movies+beyond+scared+straightPDF 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_off0000b8e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB8E2 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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