MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for malicious PDFs. It also contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b159190a3---51553864368.pdf In PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/huhu54ldnfmsf5te914kspr6n4/xafarekoduvulokin.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/rt1tbib7e1jdjkq1u3gkjj7lmj/zuwigewebitofafewutebij.pdfIn PDF document text
- http://4bzsoftware.com/Images_upload/files/mosizozabumaza.pdfIn PDF document text
- https://west-holding.com/userfiles/file/14433679912.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/8935ada2a1e9e330aa9cb90b255d9661/jixeka.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/rsg42qen43bdg22j5djag9vbt5/jaleboxemutegofubej.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bed9104973b---matunesevobunoxiterilo.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/uv76f9eshvrftr1avj53fpufm1/kotewe.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/22901271604.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16082e403b54c7---18731553370.pdfIn PDF document text
- http://asustainable.com/global/file/popoxemagop.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/ri5qtnnahri1rmr8s647ga0jl7/winugiv.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086129f6ef4e---32553973009.pdfIn PDF document text
- http://qkmedica.com/uploads/userfiles/file/jelozobewelunopo.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/66831533043.pdfIn PDF document text
- http://hosteleriayvending.com//ckfinder/userfiles/files/mogowadajujegebixe.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cccd751361b---41552321975.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/3bf14425a785408aafb4522f66288057/39563876555.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/madotigakuligasufabud.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c3489e3d1f8312c25a64fe82e103c276/19978609518.pdfIn PDF document text
- http://webdulich.com/js/ckfinder/userfiles/files/88982998401.pdfIn PDF document text
- http://ixtvs.de/_upload_bilder/_filemanager/file/megalozopet.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/a31cc9b925f936c7d67a7b08f011ea38/xirinimo.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608525caed92f---nexipewuvalorebelewevi.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080dc8d7896a---riwimis.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=paragraph+on+my+favourite+season+summerPDF 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_off0000f44d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44D | 11040 bytes |
SHA-256: 0d0e77044e51b4315c6a38f804d2204304986d27bd8d6c61107c86f8c1be0e15 |
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font_01_sfnt_off00010dde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DDE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125F0 | 16888 bytes |
SHA-256: 4caaffefae8165410252a692ccdc078936793b5219dfec4dbb3fa56e1be9ab5d |
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