MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports that this PDF is designed to host a large number of links, likely to evade detection and maximize reach.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://greenworx.eu/images/uploads/files/jefafezigidalukubovexi.pdf In PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/99a1bbedd239fee1c356bb25646c0af0/wolejadanusedutipibewo.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/eca4618d820d4dd1562d9f0d7e92731d/3096057501.pdfIn PDF document text
- http://namngonviet.vn/user-/files/15382924342.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/43094228884.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3806884da6---wibumevawupexa.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/ef1e4992ad570be812e33725f6f86547/fapizegubafifinugifa.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16102db90aedd3---17169667349.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0e7192b29---95715585910.pdfIn PDF document text
- http://lev-steklo.ru/userfiles/file/70306937967.pdfIn PDF document text
- https://12waktu.com/contents//files/69076044945.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6f22915c4---27298348113.pdfIn PDF document text
- http://cjatkinson.com/userimages/kaxakapixitajizofexulitaw.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/wipilatelalupekadifuref.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16072b7ed5b60a---90216794924.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/e92f9b07a8d11df1d8b7ae8d0bfb3f4d/jijadadokexodiw.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/51815f34da7ad13652d6f361d53c8305/92451544296.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/25949886479.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/298ae23cc82bc5de234747a6e0226976/pegowaputuxuzugok.pdfIn PDF document text
- https://travelone.ae/userfiles/files/60182305022.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/10006b23add77395da735cdfeda91b36/gufupuv.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/8baeba8a13b048f2dfb2e39f8a866a8c/57915124899.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/n5vug9kteummpn2uq56jf3ia17/pirafineragesuz.pdfIn PDF document text
- http://bachova-terapia.sk/images/file/67011796222.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/92793941797.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=android+9+samsung+j7+prime+sm-g610mPDF 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_off0000efa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA3 | 17556 bytes |
SHA-256: 0b3c3e08c0befa475eab0b2e05d4f2e51989e69e497ee62c05b2be7b511871d6 |
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font_01_sfnt_off00011d8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D8B | 11396 bytes |
SHA-256: 89e74438af05b3a4a387c63f991dd85f5fd5329eebd05c5fafe43a08f50271fa |
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font_02_sfnt_off0001383f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1383F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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