Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2d5133722300d1f…

MALICIOUS

PDF

66.5 KB Created: 2021-09-19 19:07:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: e6edb39440124cafbeeaf0c4dc0e469d SHA-1: 27c611431b4d3d9131fec696c0b427b8b581005a SHA-256: e2d5133722300d1f15735029d04598cda556f0eeb056959ab3c70f9cc58b76ad
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document flagged by ClamAV as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous distinct domains, many of which are suspicious. The embedded URLs and the PDF's structure suggest an attempt to disguise malicious content or redirect users to phishing sites, likely leveraging a spearphishing attachment vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6614

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://247christianity.org/fckeditor/userfiles/file/442511058681630462301.pdf In PDF document text
    • https://www.babetravelling.com/ckfinder/userfiles2/files/nosobemumutupojutupol.pdfIn PDF document text
    • http://investin-khj.ir/ckfinder/userfiles/files/tatisaliwinewabapiki.pdfIn PDF document text
    • http://fine-trading-knotwork.com/uploads/media/41284571436.pdfIn PDF document text
    • http://machinegroup.ru/img/outer/files/sumirinu.pdfIn PDF document text
    • https://299-45.com/CKEdit/upload/files/37786449818.pdfIn PDF document text
    • https://fwstc.in/userfiles/file/labitomevin.pdfIn PDF document text
    • https://tauthuy.vn/upload/files/womidexepas.pdfIn PDF document text
    • https://www.sudoku-cool.com/ckfinder/userfiles/files/butojidinejiluguladut.pdfIn PDF document text
    • http://hidropro.hu/upload/rejibujomotep.pdfIn PDF document text
    • https://tgvl.in/uploads/fck/files/nodusoxexofejowebewe.pdfIn PDF document text
    • http://ozcetinler.com/userfiles/file/35333237618.pdfIn PDF document text
    • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16140a522153bc---suwifaxixopital.pdfIn PDF document text
    • http://eapver.com/upload/ckimg/files/202109111551495497.pdfIn PDF document text
    • https://rivieresoceanie.com/ckfinder/userfiles/files/37403492486.pdfIn PDF document text
    • https://ap-qatar.com/userfiles/files/tokonixamul.pdfIn PDF document text
    • https://assignmentmart.com/ckfinder/userfiles/files/zemitepidulupovedamuwita.pdfIn PDF document text
    • https://pachetedeturism.ro/images/files/naboxe.pdfIn PDF document text
    • http://plaschke-partner.com/uploaded/file/femerosobesu.pdfIn PDF document text
    • https://florerialafloresta.com/ckfinder/userfiles/files/zunareridevoxegotoxogowaj.pdfIn PDF document text
    • http://pol2-simf.ru/userfiles/file/45001300717.pdfIn PDF document text
    • http://pathtojanna.com/userfiles/files/muzojawerenukunazo.pdfIn PDF document text
    • http://glovimex.com/uploads/ckfinder/files/wukugizu.pdfIn PDF document text
    • http://www.binghan.my/userfiles/file/85629605014.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=video+converter+pro+keyPDF 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_off0000dcab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCAB 18100 bytes
SHA-256: 36c493ded7df55db9812781bb41a046f0941037e4c1473d6392faaeca935e4e9

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