MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a link farm pointing to numerous compromised websites, many of which host other PDF files. This suggests a phishing or malware distribution campaign where users are lured to click on links that lead to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://carrasvilla.es/uploads/files/wifenobumajufi.pdf In PDF document text
- http://bigbazar.cz/is/images/FCKeditor/File/28096604244.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/pizefajobulakasofumewivi.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/46nlvg6amo7pkfbmps58c6lji4/61426212644.pdfIn PDF document text
- http://theclubburger.com/uploads/files/61066723571.pdfIn PDF document text
- http://agriturismolescuderie.eu/userfiles/files/lalifobuzunewifuwomijizeb.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1614020c6ce507---padok.pdfIn PDF document text
- http://ghibms.com/userfiles/files/raravevaxunumesuladap.pdfIn PDF document text
- https://fultoys.com/userfiles/11467224034.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/cmj0m845faraqut216e5uubc50/bobolovezij.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcd655fc24---39090013013.pdfIn PDF document text
- http://dar-tom.pl/userfiles/file/tejasugivusapamitagafujo.pdfIn PDF document text
- http://alfatreyd-mebel.ru/archive/images/file/13850713223.pdfIn PDF document text
- https://mimpiindahsatu.com/contents/files/63921510463.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/xoburelegiri.pdfIn PDF document text
- http://banner-ever.com/ckImg/files/zugaxidajelatifasafole.pdfIn PDF document text
- http://rubensova16.cz/files/file/kukewalusiteku.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/lusemunefopowaxa.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae5fdf3c7a---9673481481.pdfIn PDF document text
- http://mtcnx.com/upload/fckimagesfile/78113440701.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e17cd2e2c7---veguvatinijadaxevejuri.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/sofusi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=calculator+history+androidPDF 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_off0000b1b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B7 | 15068 bytes |
SHA-256: e6ada6c252d99b9a4cf4c15748e22bd8e5ddb8e783fbe7c8d48fd40819035704 |
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font_01_sfnt_off0000d7c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7C7 | 10580 bytes |
SHA-256: 12c4acff54fd92c26694502abbd8c5dab8b33547d358028b8bef977559c237f5 |
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font_02_sfnt_off0000efea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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