MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to execute malicious actions or redirect users. The presence of a link farm pointing to compromised WordPress uploads and disposable hosting further indicates a malicious intent to distribute payloads or phish users. ClamAV detection as 'Pdf.Phishing.Trojan' reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.6829
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://casavacanzesanvito.eu/userfiles/files/wilikuxaz.pdf In PDF document text
- http://bumsnab.ru/uploads/files/57146046319.pdfIn PDF document text
- https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/6ba8a7606aa872814243277fd744d50b/48208638352.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/l3d65svh6ibu6311k8n2g2qi83/15947971453.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/baec9027ceb449f3ac227d7ac818a30b/93161647345.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/guderifetopu.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/7c730115c324082e9a4b9934356021d0/mevapasufoju.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b964b786187---gibutirenisomokawema.pdfIn PDF document text
- http://caythuocdangian.net/images/files/sotupurikuvasugugawez.pdfIn PDF document text
- http://speed-r.com/js/upload/files/952508732.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/6880150855.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/22760388775.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160717c7bb830d---10899657991.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609437737fe32---fusonaxotipepemukew.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/sonebirasux.pdfIn PDF document text
- http://vizesblokk.hu/files/file/84607010918.pdfIn PDF document text
- http://dyglas.com/userData/board/file/mumet.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105b7d8e712b---bawubolidutatowep.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/zuwexiwavemasobife.pdfIn PDF document text
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/vumirexonegotigogoteseje.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/61320161042.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dowosameg.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/121c604e34de3a77ddc02f4b44da0026/14177866270.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=sopa+de+letras+para+ni%C3%B1os+de+cuarto+de+primaria+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e624.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE624 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3B | 11160 bytes |
SHA-256: a406c64f7f0a6e8e2e808fb3d4752deecb71bb4b956122c33d7f4725c3c85323 |
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