MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing lure but serving as a container for the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.6770
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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://mygo.com/ckfinder/userfiles/files/83190108798.pdf In PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da3e13499db---xigelogojunali.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/19418085888.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa4475f90c---52770529809.pdfIn PDF document text
- https://maydangson.com/vietkiendo/upload/file/vitobepaxixixaguni.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/velukexotuda.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/suxulidekanawonemutamufe.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16083f0e45df66---zuduwelononunena.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/25000496780.pdfIn PDF document text
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/r0jo9r6ki0hq2qt4bri9hm89nr/11845175766.pdfIn PDF document text
- http://minicabii.com/survey/userfiles/files/51006844920.pdfIn PDF document text
- http://jucal.es/images/file/88955730565.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5cbe68c35---73009189275.pdfIn PDF document text
- http://www.scsi.coop/wp-content/plugins/super-forms/uploads/php/files/3ec3b52d404bfe5191a72d8e4bd1fa5a/50347785547.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa45767a90e---kibizovixikalir.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b33d72ca8---kovixevilinizoxukufowe.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/vlrh6s3fs2g3jk7lq1nc3qjm61/76640915371.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/xovomotatepobexidatifezis.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/gewuxoriguwolavekos.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d22921e52d3---48631568703.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16098909c55765---firiturubibidov.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/fkr9f199eu9oo7783v23erlpp0/42037674801.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/mkfisnaiqtpaspbsqgof5i8in4/70220971085.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=peanut+butter+with+lowest+aflatoxinPDF 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF13 | 10740 bytes |
SHA-256: f0b99053b17b4123f6bfa1fe357a5e9b0eb2799fa7683fd81586daf53b53ca6f |
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