MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous links to compromised WordPress sites and disposable hosting, suggesting it's part of a link farm designed to distribute malware or facilitate phishing. The presence of embedded URLs and the 'Download Button' heuristic further support a lure-based attack pattern, likely involving spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c509faba68f---32104917944.pdf In PDF document text
- http://vuonlan.vn/data/upload/files/13545122580.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/uin6np93ft9ivulbfep2q19nop/vumagimorumi.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084a9379051b---23816886483.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/n1mlgqh3offoi56gj412etko53/zutavobafenojijodaro.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080056024818---41287111057.pdfIn PDF document text
- http://ceomit.com/fckupload/file/sesobugoluwux.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe83c267ab---mipamikomabexupureko.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160dc547411a48---nexunof.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/91fcd5e4e41d5ec9233ffba928131cca/lavapenisarapiwakulo.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/1d120c429f33c4a09c4048cea4637dea/7688943418.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b0ea08e28---1401385270.pdfIn PDF document text
- http://bjallstar.com/upload/file/82269970155.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086788c1ee97---4759094491.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/3ac4ac7d0bbb86c4ac6e1bfe9af3fa91/90098963277.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/mulezatizodilisomojol.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/3f1cfedf664f5094ab7730889e03a621/57734244611.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160987f4fc6e37---toxilor.pdfIn PDF document text
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/tsb1ntshdt7u67gnbcik3grgm8/32516121015.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/k0imva1d07m0s6hvf1lk5jm780/27081289739.pdfIn PDF document text
- https://onhimalayas.com/ckfinder/userfiles/files/somonojabojabaxu.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/13695280618.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/zibasejugiganexotaxi.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/7289018817.pdfIn PDF document text
- http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/15161620282.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=how+to+delete+specific+pages+in+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_off0000f14c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001095e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095E | 17800 bytes |
SHA-256: 66801d22cdec4c31eb1b0da2509989d70ac4918bed4bb4a635a0c919110ffb0a |
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font_02_sfnt_off00013835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13835 | 10772 bytes |
SHA-256: df34818ec55a55c0578ef103d67993582bd21632facf4c9a2b1e7e8fdbd09bba |
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