MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs pointing to compromised WordPress sites, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, and the heuristic firings support the presence of a link farm on disposable hosting. No scripts were extracted, but the overall structure suggests an attempt to lure users through a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/0e63fed6fcc8d1bb6eb52ad8642641c5/39158933449.pdf In PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa29f5b985---puxaj.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a49d0939d2d---zajidinozutepatitivibo.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16089862a269ba---bonusalis.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160884e3325eed---jiwaponatavadano.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/f62af09aa13550876563804bf1d43047/xoxegakupogolawema.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cb496e3e9---69339945860.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/radev.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/nn4rer1a2eb1ckki7utd8bfro5/41297676351.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/64390898180.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/c22kvam04usmecejfbo6vcocg2/43594846152.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/ff7c15e8b0b76e5ee00a8f9cab8f7a74/legimomusuzixoxejisamut.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/84382124091.pdfIn PDF document text
- http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/71123598348.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/58qbn2vfdaaoklu7rgm9fthub0/mofeguruxagibovuzelexe.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad49151b4f---81811617298.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/1unr9v6obut9og5b0m15moqlp3/vekoxideburaxavedopadel.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/25888526229.pdfIn PDF document text
- http://mrbossamktown.com/uploads/files/75253205134.pdfIn PDF document text
- http://bbfederico2.net/userfiles/file/42181769815.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e0a2baffc---febivufunipojuzemiwi.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607df46f464cd---30376817981.pdfIn PDF document text
- https://hitpoint.tw/userfiles/file/ximubugunuzixijasupune.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=i+on+the+other+handPDF 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_off0000f0da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EC | 17932 bytes |
SHA-256: e75443149f705a56ab3bec2a18edb8f1a6b4a3ff30d49ea49b25c0976adb8941 |
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font_02_sfnt_off00013792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13792 | 9988 bytes |
SHA-256: 72fe130e7b1629f4e600fe562a875dcceb249dc8f46d8766fb7c5224a823fb7f |
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