MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to compromised WordPress sites. These sites appear to host further PDF files, suggesting a link farm designed to distribute malicious content or redirect users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c5d0a3fb4---voritekivowofikugeko.pdf
- http://backupcenters.com/userfiles/file/mexuwagapidanavebejemo.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e46582206---44104877187.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608801e4a31e1---66244724519.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607a355fafd64---bovomikisufagozutitusudi.pdf
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609403bae531f---vozomujudapodox.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ebbe287466---lanuvuvabibuzi.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/809629d170b2bbe0cab3cf8631a9b0e6/pibejozagipesufuki.pdf
- https://fedico.ca/upload/editor/file/fiduda.pdf
- https://songhong-thudo.com/img/files/fogogomamuvejegipawisa.pdf
- https://nenanhduong.vn/Upload/files/28230124091.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ab864013a4c---gokomolufowofar.pdf
- http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/babege.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba70160413---30174602106.pdf
- https://bimstudioinc.com/media/files/60973534589.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/ca62aa23dacf8b23eb1737dbfe506967/54969240799.pdf
- http://ghalemdi.com/userfiles/file/26563268274.pdf
- http://tamker.hu/userfiles/file/98616384978.pdf
- http://nuestratierrapremios.com/campannas/file/zetagipalozunufagosot.pdf
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zedijanofixiredebi.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d9e7669ab---sunugusosunavufal.pdf
- http://wildpflanzen-planung.de/file/43815616993.pdf
- https://agrocare.ro/ckfinder/userfiles/files/33904182325.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4021603fd---gululem.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=containers+and+partitives
- 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_off0000cb6a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB6A | 16792 bytes |
font_01_sfnt_off0000e381.bina508fcb04fea9c4e659269a1f4d68f547147f23d6891e191fe9504fbcdaf9289 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE381 | 10436 bytes |
font_02_sfnt_off0000fb59.bin72ec46e7cf419ade52cce00136f4fb28e9c9ad65858ee05fbf339b15fa127e40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB59 | 17156 bytes |
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