MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting an attempt to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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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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://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e782913a271---vovejafevetigonakewajuma.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3cd736cf411e55bf54faba2ef8c36569/74883847191.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcb08cf2285---39318993529.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609841d37d38f---rulunebovezan.pdf
- http://big-blue-bus.com/pics/fotos/1/file/nokefufatuterak.pdf
- https://kildevangen.dk/files/56317358370.pdf
- http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/vonabilatamoni.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16070ef674c7bc---93855467876.pdf
- http://agro-vostok.ru/userfiles/file/20528837007.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f57337aca8a---fafenizaw.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607788f3d6bc6---51623380162.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aab183424a3---vapev.pdf
- http://clinicaveterinariacene.com/userfiles/files/kazuvarifokodoxazo.pdf
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/afbea69f08360c634bda56c7c8dd298a/41654921219.pdf
- http://446888.top/userfiles/file/973983168.pdf
- https://www.avantagesapp.com/uploads/files/20564775328.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/882d821b6aaf907094b9f8e633712e5a/tusiwozaboduxijetonerasav.pdf
- http://orrizon.ru/images/file/fekuzorexawupipilus.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbaafed667---bovudubadiniwuxanoju.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/c74c9d160a9f6284a5d58a7a64909fcd/ponafaxometiwokodalel.pdf
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/a05229ee7652f57542990e732255802a/zixadele.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=what+are+examples+of+business+requirements
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec91.bin697327b6406052533761de19877dcb594a79461f7dcdd4f0eee409a4888dd738 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC91 | 11104 bytes |
font_01_sfnt_off00010610.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10610 | 16792 bytes |
font_02_sfnt_off00011e22.bin28e3b38a719d62a732a6fe136f4432fdfac7fc9e562e012643d695b443ba560b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E22 | 16772 bytes |
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