MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of external URIs, many of which point to compromised WordPress installations. The ML classifier also flagged this PDF as malicious with high confidence. The document appears to be a link farm designed to redirect users to potentially malicious content hosted on various domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://infrive.ru/uplcv?utm_term=animal+shelter+near+me+volunteer+work PDF link annotation
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/c30d1329efca3e097f157537ae62e24b/diwenajuse.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160948eff654ee---55562298477.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/dbffb8c98102111bf038a3f48e811af6/21218982075.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/45564978578.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/lgs87unn8ullsgnin0j91o4oce/liwilizirifekuzaxopa.pdfIn PDF document text
- http://www.ecostroyservis.ru/File/wifove.pdfIn PDF document text
- http://dietmoiquangle.com/webroot/img/files/karasabonadox.pdfIn PDF document text
- http://gabortech.com/admin/file/dipijalidotaluvor.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/ptq54g5c05mvpav10vh8pdmpcb/73476303563.pdfIn PDF document text
- http://446888.top/userfiles/file/69713936164.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7afc156f8---fegapamasapezuverijudo.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/0d72bd96d2bad46718e0e27ee1dfbafa/jugixisuwosojaki.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/59772981366.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762de03943e---90696360260.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/37181995251.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/gixijowonasipixubem.pdfIn PDF document text
- http://groupementpecheduloir.com/ckfinder/userfiles/files/60795175748.pdfIn PDF document text
- http://jogforbigt.com/clients/6/61/61f7a61d17da296148a50ccd59c4a139/File/masiromowarej.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/kasovakisuzo.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/pm0psusjd5vt93g72s3truj8j6/tazenuwepagokitejezupaki.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/waridaxetadigarewaxafum.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_off0000f3e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3E9 | 16516 bytes |
SHA-256: 69772c0ef76a08b502fba35bb510bd8cdc3cfbfc1c50342e1517e324a8d1cfb0 |
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font_01_sfnt_off00011ebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000136d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136D5 | 10700 bytes |
SHA-256: e3b04789f85ef627ac22b5ff27050eb9c0a7717bcbe958f6a82b462f2209a7d1 |
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