MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://digireg.se/upload/tokujesevaxofifusepe.pdf In PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ccfb06ca5---mejijowabiv.pdfIn PDF document text
- https://mimpishio2bet.net/contents//files/pukuvekafaj.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075a7a1a421c---24235936480.pdfIn PDF document text
- http://lamexmarket.com/uploads/files/83674685083.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/de83ef6cdb0f35c20226c42440ec0d8b/39034454753.pdfIn PDF document text
- http://aucoindeshalles.com/menu/file/68150699892.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5206c45a1---witovidopijadorigutu.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608931496f468---77377456295.pdfIn PDF document text
- http://miyisz.com/mingyi/images/userfiles/file/xuwexefogewodo.pdfIn PDF document text
- http://cuadepthanglong.com/images/ckeditor/files/dupobat.pdfIn PDF document text
- https://jaukiaplinka.lt/ckfinder/userfiles/files/gabijab.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa64ad72601---15188203605.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/mid417pnu86cm8jcarl46kulp5/38884412154.pdfIn PDF document text
- http://metabolit.ru/files/file/22050828537.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608a123188b58---10412208233.pdfIn PDF document text
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/328805311.pdfIn PDF document text
- http://sdds.be/userfiles/file/94221620875.pdfIn PDF document text
- http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/38129877331.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/sosunutufimiwowewav.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add260da9d1---keximanovuxozat.pdfIn PDF document text
- https://govox.co.uk/wp-content/plugins/super-forms/uploads/php/files/unu3hhsn5h9furp9f4umn0l6p5/87421299906.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa083f84757---jusetip.pdfIn PDF document text
- https://aimhc.com/userfiles/file/26756865588.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=job+satisfaction+definition+by+authors+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C4 | 17820 bytes |
SHA-256: f1f1f759e9cd6ca181752ae423b72ab90e689fbcfc04f940c434da09e155ac05 |
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font_01_sfnt_off00012322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12322 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013b39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B39 | 11016 bytes |
SHA-256: 2f1238c5f260ea9a8178fdea8af98d6f53e05f10e5720e5fda2b88616a12b5d6 |
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