MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded content are heavily obfuscated, but the presence of these URLs strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://inprovitperu.com/ckfinder/userfiles/files/11551649180.pdf In PDF document text
- http://kapelski.pl/userfiles/file/sizojorapulil.pdfIn PDF document text
- http://rassadaspb.com/new/files/file/13697062558.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/nizepobexotirivixezasezex.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161301b8442584---diziverekizilewatumib.pdfIn PDF document text
- http://suankaew.net/upload/userfile/files/fases.pdfIn PDF document text
- http://zigzagontwerp.nl/sites/default/files/file/segokisoxurowopi.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160be91c811e2a---93113956731.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/wuramobumizigejofikegofu.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/53103968c309f6013c967fd45a21e493/28520059475.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d49fb9826---vebuvosogupux.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/wugajipanijixunofadewuvom.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16076e11228947---5416739687.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/161281af2a0056---16826921323.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/u854n5tblrggano20f512i09dr/tawotuzoze.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/58347596186.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607080e8b7f2c---xibab.pdfIn PDF document text
- https://pmeds.us/userfiles/file/watakoz.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/22673050366.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/2fv0p8isn7nfafm2rprbdo3cq2/lufipediv.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/hdo6iggrchmgdr64fgcl1is2ao/genowakan.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16088611862694---71091682704.pdfIn PDF document text
- https://clifestyle.net/uploades/userfiles/file/digovafuparizenuzadepetom.pdfIn PDF document text
- http://bestbuyfromindia.com/userfiles/file/50084171231.pdfIn PDF document text
- http://terralis.eu/catalogue_dynamique/file/16711217659.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1612b580c29b62---gomilebokavikezisik.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=noida+building+bye+laws+2015+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_off0000e9fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9FC | 21264 bytes |
SHA-256: 5ef4c2caab243bb3aa5360a441ac933a4c28e26076383ecabfe1214b59ea3e29 |
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font_01_sfnt_off00011fda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDA | 11320 bytes |
SHA-256: 47c78c89c0898b358de489bcb14f25a7027a899fef5e2909de6197eca63389f5 |
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font_02_sfnt_off00013a53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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