MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The use of compromised CMS upload storage and disposable hosting for link distribution suggests a tactic to evade detection and distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3bdba1b3c0---bovazatumebowaso.pdf In PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160745db324d87---lalapejepado.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/12710925625.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3aab0582e---zeruwazijiwopukoxez.pdfIn PDF document text
- http://eminenceinc.com/userfiles/file/19027465457.pdfIn PDF document text
- http://rebornfair.com/FileData/ckfinder/files/20210629_0C5E25C75214CE76.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f33d9e1a51---lulisojeveru.pdfIn PDF document text
- http://worldplastsolution.com/ckfinder/userfiles/files/4505532572.pdfIn PDF document text
- http://fitviewer.biz/files/file/61403113862.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/927e1ac9ae60cc42708627ce7cff6046/pudufajapabafanefi.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/n6ivt454890mjqeb08glf10uv4/kupenudovumudotut.pdfIn PDF document text
- http://tatugigo.com/ckfinder/userfiles/files/52446249289.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/sezogebugejufemumokojezi.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/67556300048.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160963fafbf99b---15799687891.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/4579005374.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/65318605088.pdfIn PDF document text
- http://yangs-ns.com/ckfinder/userfiles/files/20210530082440.pdfIn PDF document text
- https://vestol.bg/files/file/95744325754.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/bipazekudobabof.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/bolevufifemevowopap.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607058d1ca3cb---wadomonetuvipufetumu.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/nesosazusofoxe.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/0l4sh9nadk01jkkpbudc83ioqg/48807338173.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c4a5cfd53---46019831522.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+turn+off+bushnell+neo+ion+watchPDF 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_off0000e1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FE | 10752 bytes |
SHA-256: b276df4a12670f3a0441438f3d9b7fb1fd899f2dde4232e61e8f6e31cc3d23d0 |
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font_01_sfnt_off0000faac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAC | 17240 bytes |
SHA-256: 888d4228e7435e8d06d49404fc3562de32b6f17b4b562577c7d479649c51a383 |
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font_02_sfnt_off000127dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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