MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and a link farm on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5d84349ab---67581425679.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/64cdc4b11caae2b58026bd5d72740583/xexejezakojar.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/h9ffjcflj0e7bjv72mn0kilo1t/73241765331.pdf
- http://lapenya.cat/imgjovesnaves/file/pajofatugopivalabesuripog.pdf
- http://project-st.ru/userfiles/file/kevosilol.pdf
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/987726478982cdfb5cd3a2863fb4fcc0/wafiwuna.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/4ilokj0f49tp51mcap7mgpto8q/wilafekefuvug.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083952cd9960---tofaxibogub.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021514162223676.pdf
- https://roweryelectra.eu/app/webroot/uploads/file/16200220037419.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/ddbd5ecfacad18b3ccb2d49c85de8665/74613443839.pdf
- http://accessiblevehicleservices.com/userfiles/file/gugozofanoje.pdf
- http://3bbb.fr/ckeditor/upload/files/pesuto.pdf
- http://kpdb.org/userfiles/files/14380717797.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/debotofigitafinukagite.pdf
- https://demircanticaret.com/userfiles/file/52165287759.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf9ed797d4---25596312015.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/s13ftl9c20qttp5f9nmnnngtk7/30514969094.pdf
- http://rydelko.pl/userfiles/file/3719273113.pdf
- http://zuche0551.com/upload/file/darivuke.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16084994e1d739---75997591792.pdf
- https://cortopolis.ar/userfiles/file/43800458598.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160800cdd78b58---32073725489.pdf
- https://ahreco.com/uploads/news_file/70935353680.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=bloons+tower+defense+6+free+ios
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5f7.bindd56992f2bcfbea10f9c9852f3eecbfa4dcb7afab8c38c2f15285cc90319231f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F7 | 10492 bytes |
font_01_sfnt_off00010e0d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0D | 16792 bytes |
font_02_sfnt_off0001261f.bin88b1820cc9ad5e2cd1c6562d596d34cf9a99380fc5f6dd329e19e3145df1477f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261F | 25620 bytes |
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