MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript, which is a common technique for delivering malicious content or redirecting users to phishing sites. The numerous external URIs pointing to compromised WordPress uploads and disposable hosting suggest a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9923
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.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845e3d8418c---nimusoxaxoju.pdf In PDF document text
- https://ashleymongolia.mn/uploads/files/penubemoriwogalajo.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/234f65d5ef9fbda41b65e9df8d1c2985/98713489256.pdfIn PDF document text
- http://forter.vn/hinhanh/file/58576090364.pdfIn PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/83970321487.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a2de26611b5---meromifexanop.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/52063365855.pdfIn PDF document text
- http://esoftland.com/userfiles/file/65095453694.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/162e6d278080f05120d240b4b66b50ee/95485898322.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7b2d515d05843043b832a52a7d86de2a/26654823204.pdfIn PDF document text
- http://carnow.jp/js/upload/files/87009447439.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d91eeea9c1---kedopuxaneferokujaremowu.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609458240c53b---tibalakefopiradiz.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/64295735951.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d62432e606---jisefisofugexemazinowiv.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd68acddde---57130442738.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/dilaremorajiv.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/d77fe2fcff430bdc05a30f020d2d0053/64758836947.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/30529143408.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b986cd2f9cf---xawotuwifosatavapo.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/7377111670.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737be6117e8---dogexuzelusejofiradi.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/76167162760.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/o0uiu1qeek164t5fmktho99mhg/66651079349.pdfIn PDF document text
- http://hhtaitung.com/CKEdit/upload/files/53318177213.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=action+research+model+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_off000128a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128A0 | 10868 bytes |
SHA-256: 8613bb07f43e31caebcb70af7234f3ce1b5074a8874e56b5b1a5e6d658c80f8f |
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font_01_sfnt_off00014189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14189 | 18004 bytes |
SHA-256: f9deb0c4ffbb8fa041b99aff659ef0691d9cc2d8097da30421dbf7ad9a95d765 |
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font_02_sfnt_off000170b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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