MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier. It functions as a link farm, directing users to multiple compromised WordPress sites hosting PDF files. The presence of numerous links on disposable hosting and compromised CMS uploads suggests a phishing or malware distribution campaign. No scripts were extracted, but the PDF structure and URL patterns are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.7000
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 http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607db106c0a07---44399971762.pdf In PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a506b9618---batuzutefizitomezufefa.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0f68c6d99---58098151741.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/2rjh5m9tnhs5q5ve5a2gj8o1be/91724604102.pdfIn PDF document text
- https://carparts-fixture.com/file/file/52694761802.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffb0ecfa27---kowivadazasebeziditi.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f3f987bdd9---790647828.pdfIn PDF document text
- https://suma.ca/upload/editor/file/zabimoga.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607980f3b8a81---fiwemuwuse.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/lqjuvnbahpbgt2joujp74tubs4/tibiduzoperepa.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/njruf9fckuggjqmn4uf4se3iv5/pudirudusijuzoruwoxo.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1612991889724d---42521191745.pdfIn PDF document text
- http://www.americaninvest.net/upls/files/28568139956.pdfIn PDF document text
- http://www.sm.ac.th/ckfinder/userfiles/files/kaguta.pdfIn PDF document text
- https://humicdp.com/uploads/2021-07-15/images/files/jufibuve.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160b845ff1070e---guxagalaxaxubonosa.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/f655fc32afe08b668c209cd7f0100953/26714819911.pdfIn PDF document text
- http://floridadressyourhome.com/uploaded_files/userfiles/files/59553812012.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a1228b4375f---tibaluwilojarevokalibimaj.pdfIn PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/37247647977.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/27247002438.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/gudatoxala.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/fizexekakomibabipevofan.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/55200347661.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a64c0f842---xibudavutipu.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac649a22559---jupinejezavejologutupanix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=tipos+de+sujeito+exerc%C3%ADcios+pdfPDF 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_off0000caff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAFF | 10656 bytes |
SHA-256: 757d7e0cdd7866b1144f6f8f780abacc228ed676d190f794fa91c1e835b9aed1 |
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