MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The presence of numerous external URIs, many pointing to compromised WordPress sites and disposable hosting, suggests a link farm designed to redirect users to malicious content, likely for phishing or malware delivery. ClamAV detection further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.6661
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://www.verimevzabavu.cz/ckfinder/userfiles/files/97286362231.pdf In PDF document text
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/otmj746buuho56bic8rdbrl7au/82183117854.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094d036b4aa8---2604630999.pdfIn PDF document text
- https://slide-bearing.com/d/files/23680279663.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082efd154ad2---jaxovirusapa.pdfIn PDF document text
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/6fs5p7sgpav2udv2798d49t53h/25114176325.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160b915af953ac---toletafipanarekubosiji.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1611bd5321f871---58031648064.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611a09022254b---kagamezitiwuzigofopi.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/lozevowefawepujamusigep.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/xafalot.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/f256f0ccae3d8ff93c6c5516497f9f14/99373994048.pdfIn PDF document text
- http://petukmahaaaraj.com/userfiles/file/44170817931.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/tubusenotukesabunesut.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e223fa9792f---86480023027.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e50ff0ecf77---dawuraxonirijomaxazaruz.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/9t4q9c0sh2n2tvc9hrer97h0j7/mafavizifov.pdfIn PDF document text
- https://tahubunting1.com/contents//files/41849606458.pdfIn PDF document text
- http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/vizelezewofo.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609123cd51b6a---tatedumodiwifabisalo.pdfIn PDF document text
- http://przyrodnik-kujawy.eu/userfiles/file/67594713377.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/41993669612.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/dd6dd18ff2b2ee8793cf6ce0ab6b0cd8/89808960777.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/29172997642.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=trace+%C3%A9crite+les+nombres+jusqu%27%C3%A0+999+ce2PDF 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_off0000e16e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE16E | 11528 bytes |
SHA-256: 360c9ac1124c995ca5a417309d9e19e0bae33dcf136b846664a615c1dee6257c |
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font_01_sfnt_off0000fc1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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