Malicious PDF — malware analysis report

Static analysis result for SHA-256 11e1a17ce718967e…

MALICIOUS

PDF

69.8 KB Created: 2021-07-18 16:28:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-29
MD5: b0ed82a83311506f4b52729af84a8bd2 SHA-1: 30a8876c47e9c23aebe0c1be334bf889a5656b06 SHA-256: 11e1a17ce718967e82522a3e2b658eef45b6d4a19c8de01b7efa9005e3cead4f
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. Static analysis reveals multiple heuristics indicating the PDF acts as a link farm, pointing to compromised WordPress uploads and disposable hosting. These links are likely intended to redirect users to phishing sites or download further malicious content.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3143

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c7face3b5c5c60580c9814d440d5fc08/joroful.pdf In PDF document text
    • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d223117bea---xisukipabazasob.pdfIn PDF document text
    • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c0da858f704---89503869343.pdfIn PDF document text
    • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/7b838b35f496fdc219ab84ea1830e79a/25179141253.pdfIn PDF document text
    • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160987fd6ee766---11477390878.pdfIn PDF document text
    • http://uelzecht.lu/userfiles/files/53061819837.pdfIn PDF document text
    • https://chiuman-hk.com/images/file/82602098245.pdfIn PDF document text
    • https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/214e30529dd4e26a84be631ca08129b7/dukukesag.pdfIn PDF document text
    • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/7269298e0a228acf2921d8613dd7abd2/42681375877.pdfIn PDF document text
    • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160ccc10384b27---14613426467.pdfIn PDF document text
    • http://fitviewer.biz/files/file/sikuxekonoxasiro.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160b85dbb92242---baligat.pdfIn PDF document text
    • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d851bab2d716b047f703934e4655a7b1/lanew.pdfIn PDF document text
    • http://eternoohydro.com/d/files/58247077901.pdfIn PDF document text
    • https://perfecthospital.org/FCKeditor/file/91807222683.pdfIn PDF document text
    • http://camberwelltaxi.com/survey/userfiles/files/tokusupaxixezuwuza.pdfIn PDF document text
    • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080531566cb1---53627929813.pdfIn PDF document text
    • http://allycatering.com/userfiles/sazikizesewifo.pdfIn PDF document text
    • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/oecuorij0910dtj3svfbme1csa/fivenusuminebigibuxaraju.pdfIn PDF document text
    • https://bawaniint.com/ckfinder/userfiles/files/tuxafamoxesoto.pdfIn PDF document text
    • https://csodamalom.hu/files/files/98416749524.pdfIn PDF document text
    • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9cd172d68---numusadidukezajetineveku.pdfIn PDF document text
    • https://coevent.ru/upload/files/32059994751.pdfIn PDF document text
    • http://atdawnwelift.com/userfiles/file/tulema.pdfIn PDF document text
    • https://yildizwebpaket.com/calisma2/files/uploads/50170578389.pdfIn PDF document text
    • http://zabradli-znerezu.cz/userfiles/file/defigekutabek.pdfIn PDF document text
    • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a774600fac8---vomanazuzavorami.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=path+of+war+expanded+pdfPDF link annotation

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