MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicated maliciousness, and the heuristic firings suggest this PDF is part of a link farm designed to redirect users to potentially malicious content. No scripts were extracted, but the structure and URL distribution are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130212196676---57731945933.pdf In PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/38216437988.pdfIn PDF document text
- http://rockefellersgold.hu/editor_up/52137622471.pdfIn PDF document text
- http://majstrissmt.eu/www-data/file/12131811077.pdfIn PDF document text
- https://equimat-cheval.fr/file/67484516446.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/2906j1u47irti2b895midrjc8at869a5/gavejob.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/nasexiv.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/485741d84e003fc3ef674a4541414569/getaxoxinefi.pdfIn PDF document text
- http://chaitraglaze.com/uploads/pufumopujadipejikan.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/renabakefedakodo.pdfIn PDF document text
- https://vibingvibes.com/userfiles/files/bidatojujajozidabixa.pdfIn PDF document text
- http://systempro.kr/userData/board/file/86708068345.pdfIn PDF document text
- http://amidoux-peintures.com/ckfinder/userfiles/files/wizozezamama.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/vidibofakukejaxuvenezex.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/titotavifafaxujufozeta.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/6df0b3a5c44ccb0664c57ed9e104c380/43544062562.pdfIn PDF document text
- https://redac.ch/upload/mixuzopirati.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210904081822.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/85629886215.pdfIn PDF document text
- https://molecult.metallo-tests.ch/sites/web/upload/files/bivefe.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/27050005719.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/bidogarilujogipetifesigaj.pdfIn PDF document text
- http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/wutasewularir.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/4fca132fa00b6c638165d8131f45903c/vaxefazizutafatavofu.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/20256303210.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=blinking+flashlight+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_off0000d86b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f07d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07D | 18248 bytes |
SHA-256: bdb1754e4e89eba46176b2aa08b9c98b600414fa17325511a4082426e25535ba |
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font_02_sfnt_off00011ff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF5 | 10648 bytes |
SHA-256: bd2903b91c3461cf66189d255b64e999fc7bc572b8947f4ca28b80bbc97d37d3 |
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