MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites. The presence of numerous links pointing to compromised WordPress upload storage and disposable hosting suggests a link farm designed to distribute malicious files, likely PDFs, to unsuspecting users. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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 http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141629b31d76---17957554392.pdf In PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/tixegeme.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/guzijibewasadi.pdfIn PDF document text
- http://elskenecologie.nl/files/pozupiwesif.pdfIn PDF document text
- http://graciaindoutama.com/kingkong/userfiles/files/84496647275.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/60144162698.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/sipufonosumot.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/30118278149.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8747aca1f---98512456201.pdfIn PDF document text
- https://capital-publishing.com/ckfinder/userfiles/files/83212711143.pdfIn PDF document text
- https://nocrime.cntwn.org/ckfinder/userfiles/files/91380424939.pdfIn PDF document text
- http://infosierra.es/images/editor/73136905950.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab19fcc6e0---beledalulalafopa.pdfIn PDF document text
- http://yipdeals.com/app/webroot/upload/files/visuxumawag.pdfIn PDF document text
- http://friend5190.xyz/js/ckfinder/userfiles/files/kugukenikanobawog.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/diruti.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/lugarezifo.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/24998036653.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/kexisimer.pdfIn PDF document text
- http://fishtech.org/uploads/userfiles/file/file/49683787197.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/74928746689.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/pojanosaf.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/161476c7f7a881---29890875968.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=elon+musk+ebook+downloadPDF 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_off0000dcf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF3 | 10520 bytes |
SHA-256: 0b6c8033ba65ca12083cffa26f75cceb999b9f8c8f837e0668acfdddd7890d55 |
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font_01_sfnt_off0000f4ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EF | 18264 bytes |
SHA-256: ec7a983e943153d25c99b559fd123b0c30b2ab52bb1f24fdeb97a9bd9579af26 |
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font_02_sfnt_off0001248b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1248B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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