Malicious PDF — malware analysis report

Static analysis result for SHA-256 353b79011f060495…

MALICIOUS

PDF

72.1 KB Created: 2021-06-23 15:46:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 3e30250b842894d786731ed852fa8d60 SHA-1: 7014651604e7201b254c645f340cfac06de67a5a SHA-256: 353b79011f06049513321dba46dbff8b0176137cbef165a7509c4fdd93063805
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories and other disposable hosting sites. These links likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7471

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://crysiq.ru/uplcv?utm_term=osrs+hcim+quest+order PDF link annotation
    • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607679ee33bfa---satuvetesif.pdfIn PDF document text
    • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bd17b670fab---pewefulumalomimide.pdfIn PDF document text
    • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/es0043eovvnlgivfpbia8v45ql/julisajapatijoronosipe.pdfIn PDF document text
    • http://energo-winstal.pl/userfiles/file/sojojajamoraza.pdfIn PDF document text
    • https://fzclicks.com/demo/files/editor/file/lorewemufol.pdfIn PDF document text
    • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/052085db62eb9dac65945696592d056c/86134887531.pdfIn PDF document text
    • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b27c0b8d5c7---15092402096.pdfIn PDF document text
    • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/ec0b9271f938966985991f9d6bb99508/nekizalugabelabemug.pdfIn PDF document text
    • https://pfhotel.gr/ckfinder/userfiles/files/76421125392.pdfIn PDF document text
    • https://arrayamed.com/userfiles/file/xoferifufidatonigoro.pdfIn PDF document text
    • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f75e2d300---81189986931.pdfIn PDF document text
    • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/5ijfgduqg72htd4dk5sihn30p5/zatirunivamorujunoluma.pdfIn PDF document text
    • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf95e22fc4e---tisosejoto.pdfIn PDF document text
    • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8e49d9cfb---36748414638.pdfIn PDF document text
    • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160971529a38af---suzegitulojiwukiru.pdfIn PDF document text
    • http://ackerviewguesthouse.com/userfiles/file/wesuvivozulavijegofoz.pdfIn PDF document text
    • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608278d70fc47---sanedi.pdfIn PDF document text
    • https://turbooto.vn/upload/files/65264274530.pdfIn PDF document text
    • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac63309c23---wupobej.pdfIn PDF document text

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