Malicious PDF — malware analysis report

Static analysis result for SHA-256 97cafe6d450f5cde…

MALICIOUS

PDF

51.2 KB Created: 2021-07-20 06:13:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: a85d454f7f123d5753c67f5e5fd82c5a SHA-1: 0a6a77482b91e25e0c3f62b9c5df891ee21e5b35 SHA-256: 97cafe6d450f5cdec1f7419e37ad18298ddb4139d2e38353f907b4a079b8d860
154 Risk Score

Malware Insights

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

The PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm or phishing attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing further malware. No scripts were extracted, but the structure and URL patterns are indicative of a malicious PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7069

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://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608636cbdf893---lanoluropa.pdf In PDF document text
    • http://mitsubishilongbien.vn/images/ckeditor/files/7956361998.pdfIn PDF document text
    • http://baovephuongtroi.com/vietkiendo/upload/file/gopavenisivojedefexive.pdfIn PDF document text
    • http://lookkorea.net/userfiles/file/linurum.pdfIn PDF document text
    • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d7bebc7bb---zotopivunog.pdfIn PDF document text
    • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/o2an6n1a6fg4s575ujbjg785s0/gusinekenoluw.pdfIn PDF document text
    • http://angeladaniel.eu/uploads/files/20006021220.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f975ca0028---direramasi.pdfIn PDF document text
    • http://www.amedna.com/userfiles/files/23334769364.pdfIn PDF document text
    • http://7seapharmtech.com/Uploadfiles/files/74304314023.pdfIn PDF document text
    • http://evpltravel.com/xv_image/file/82738882655.pdfIn PDF document text
    • http://chhsmahs.com/clients/8/83/83f479e57a8bbaec88b4a04d821ef24e/File/54683049483.pdfIn PDF document text
    • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a7cca1173---12119340997.pdfIn PDF document text
    • http://losmarinoslanzarote.com/marinarubicon/admin/file/50571552847.pdfIn PDF document text
    • http://verynailscm.com/user_img/file/68476675914.pdfIn PDF document text
    • https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/sehgr91r2ps27cn628o8jhpk6f/vofipujaza.pdfIn PDF document text
    • https://rocksoliddesigns.biz/userfiles/file/62950402683.pdfIn PDF document text
    • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa184098c6---zorotowifarog.pdfIn PDF document text
    • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/divuxixujawesebifam.pdfIn PDF document text
    • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608990bbae6e2---99061423573.pdfIn PDF document text
    • https://eatorhours.org/e-bussiness/fckimages/file/vodozasibokar.pdfIn PDF document text
    • http://www.ufolep-69.com/contenus/files/5641253311.pdfIn PDF document text
    • http://auto-spec.ca/fck/file/demedugugupiwarikovaripo.pdfIn PDF document text
    • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/9elgijn757tguvishdl4s7b2qb/fewadire.pdfIn PDF document text
    • http://3bbb.fr/ckeditor/upload/files/81425563576.pdfIn PDF document text
    • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/5cd2681b3eca62a77654e393239b8cee/50237405291.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=new+castle+county+land+use+phone+numberPDF link annotation

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