MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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 http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/71556201227.pdf In PDF document text
- http://teerosy.com/ipp/images/uploads/files/gotizubumazel.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c000ee1ab00---tosukugibubixasapimav.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/blm3fjbkbidhtapokis7n1uhja/24810666699.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/1715e382d5e50c1c70175e3641c68f1e/narezijubelog.pdfIn PDF document text
- http://mosvag.ru/img/lib/file/54484680596.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/75028465779.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160b83e4ce3b95---70054740898.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/76471369733.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b6c2e24ee---kafonetovunuwanugere.pdfIn PDF document text
- http://sibmetiz.ru/upload_picture/kemiputijajelibowur.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3952e816b---13900208972.pdfIn PDF document text
- http://kapli74.ru/upload_picture/lajawabilipero.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/0b686bd48029670d349483861e38b17b/20514398494.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093f993aad6c---28655130791.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a37e4755e4d---jumujomo.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/37900155184.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/85706777855.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/a1179fdf65c977d86504800aeee0a00b/vaditatu.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aac20a303a5---72182473413.pdfIn PDF document text
- http://wellfoto.cz/pictures/files/bumevinabemajopijirujor.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9fe493fe8---ginowo.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/c778fed6029fe9a48b08c90b5c40cbbb/95667700313.pdfIn PDF document text
- http://bio86.fr/fichiers/bowajixoregitiwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=employee+monthly+attendance+sheet+format+in+excel+free+downloadPDF 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_off000115cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012de4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE4 | 11168 bytes |
SHA-256: 68d57feb1413182c92b82339be701b8bafc1c5eabd079b6d39b3814e0a3204ff |
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font_02_sfnt_off000147d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147D2 | 17452 bytes |
SHA-256: 83b28ceb7ab360571c687988d958a142a81ee4169b2cc194dfa9a4b68bf3eade |
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