MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised WordPress sites, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160847492bea96---xobogalitadopijil.pdf In PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/69180419041.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afabfcb7485---98702154659.pdfIn PDF document text
- http://beautifulmoda.com/userfiles/files/gimapusuraxixarerodo.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/92991395975.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/lp38lad6gem9a2toqk4clar833/dumexisojibazukuninopix.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160ac235ad5a66---negutipopuv.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/046e6359423c6933eab5622637d0a39e/17905697054.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099714012b26---maguzanowinurubarijumij.pdfIn PDF document text
- https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/7306d639ba9d4cb12e8d8a977006e992/71231670780.pdfIn PDF document text
- https://uleiuri.ro/userfiles/file/ziduxarurisetoxaxedebeweg.pdfIn PDF document text
- http://kieryk.pl/img/userfiles/file/fazuwugivufafilibuxefon.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/zizon.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/jefewufekosota.pdfIn PDF document text
- http://vds-construct.pl/userfiles/file/457277388.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/17193146140.pdfIn PDF document text
- http://pensionpoint.cz/userfiles/files/libumusatosu.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160762e7ebaf83---64958616451.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/81597764473.pdfIn PDF document text
- http://medi-sen.com/files/files/nuvetozubumebawidar.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=five+basic+relationships+in+confucianismPDF 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_off0000e5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDBC | 17156 bytes |
SHA-256: 7e4e9581a037c32677812e3883b64dce7394321317c4df807546de197cbab39b |
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font_02_sfnt_off00012a1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A1C | 11028 bytes |
SHA-256: 5341232aafe4fad9bd0d4f2eba97af576d8c0496d59606d7d27fb577c070e0ea |
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