MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for Pdf.Phishing.Trojan. The presence of numerous links pointing to compromised WordPress uploads and disposable hosting suggests a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/16c1887af07f99f05bf7f52e6fabaf1b/42559683322.pdf In PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3psf5rllfpid78v2aieib4uj04/xujenaluperupexizixu.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/6346ebbf6b4bb6d2cd69744b16dadb8c/97698325590.pdfIn PDF document text
- http://shhs69reunions.com/clients/e/e9/e92da0bc0099326815942f81a5c18dfc/File/kozakewipodugux.pdfIn PDF document text
- http://diysmart.net/userfiles/file/pobavijixe.pdfIn PDF document text
- http://wurbs-hanau.de/userfiles/file/21933809150.pdfIn PDF document text
- http://savages.lu/imagesRTE/files/vigipufasugivosu.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/sbnbt4vsr95ntaj80g0bu54831/51454889794.pdfIn PDF document text
- http://dexgerm.com/data/file/userfiles/files/97798787612.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/nopimovinasasonesineram.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160807d5524d78---65735740869.pdfIn PDF document text
- http://nacyc.jp/Upload/file/48887349991.pdfIn PDF document text
- https://osakadentalcare.com/contents//files/godokipeliruzofadi.pdfIn PDF document text
- http://desushibar.com/userfiles/file/nawelezajoruwixi.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/7d8ccd867748046f53478933471bdc06/65569142229.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e844857f0---20973899981.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/23443833967.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/nogivimibasu.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/5ae7d03b709eb44569fe79d6f2967bbf/nuxozimewutadop.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210720010224_2104121150.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cb6acd3d5---xosijumedabovowak.pdfIn PDF document text
- https://www.institutvzdelavani.cz/files/10085612523.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/30383486ce4b7380ced3ac5841bfd33f/40379586878.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/rotomif.pdfIn PDF document text
- http://billsky.ee/files/file/xurenelapili.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f8d8bfbd0---bodigosawibavofupufuvugof.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=pvc+foam+sheet+suppliers+near+mePDF 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_off00011c76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C76 | 10912 bytes |
SHA-256: 8502ab3880ab66e350854d148faec0e9d9a437b0d428fd8340401860db968d04 |
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font_01_sfnt_off0001358d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1358D | 17832 bytes |
SHA-256: bff6cce959145e9ed9f4ef5cee41f7ef4bf245f4eac6cee6bc78587cd07c93bb |
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font_02_sfnt_off0001634c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1634C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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