MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of numerous URLs suggests a redirection mechanism, likely intended to lead the user to a phishing page or a download site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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://chcial.ru/uplcv?utm_term=photo+editor+app+for+pc+windows+10 PDF link annotation
- http://www.jindatunnel.com/up_files/file/18633223878.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/lewigutun.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/bopilinopogaxaz.pdfIn PDF document text
- http://finchamauto.com/pics/xitizatefawolem.pdfIn PDF document text
- http://szigmetal.hu/editor_up/24513327512.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/iqvp8101h7jq3ij7jebpdo1inv/99491770685.pdfIn PDF document text
- http://pokemom2.com/uploads/files/50903217296.pdfIn PDF document text
- http://seasonsblinds.com/uploads/ckfinder/userfiles/files/midujomisududaxop.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/varifoganenorilegan.pdfIn PDF document text
- https://muacash.com/webroot/img/files/tonipexasutije.pdfIn PDF document text
- http://canoto.us/Images_upload/files/mulevun.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613592ae06f9a---80632991006.pdfIn PDF document text
- https://wineart.online/userfiles/file/jagaguwifuzoteputeka.pdfIn PDF document text
- https://nhuadailoan.vn/upload/userfiles/files/95156602575.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/j6gc0rp1u52q6h7houit18pob3/97725890440.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0921aba66---tadenunuduxifubejelag.pdfIn PDF document text
- http://bmfjhjk.friend-match.com/upload/files/53563329975.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/jusemigun.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131480b98b8b---77514794367.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/8283743626.pdfIn PDF document text
- http://blfimmobiliare.com/userfiles/files/16082682569.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/35061691854.pdfIn PDF document text
- http://magiepourenfants.com/images/mediamanager/file/21515453316.pdfIn PDF document text
- 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_off0000d61b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD61B | 16872 bytes |
SHA-256: 5ab3ea463ac5d6bbb819041e90829d65586efde6f6754615c5ecf8fd57fa1195 |
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font_01_sfnt_off00010152.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10152 | 10932 bytes |
SHA-256: 37bb7b0e239847f75c87a314549c9e604388a206fbcc8dc5c63bc758385c5735 |
|||
font_02_sfnt_off00011abe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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