MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. The ML classifier strongly indicated maliciousness, and the heuristic firings confirm the presence of a link farm designed to direct users to potentially harmful external content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16096466100f16---rokukof.pdf In PDF document text
- https://guineaservicesproviders.com/gsp/files/31037396680.pdfIn PDF document text
- http://oticonshop.net/ckfinder/userfiles/files/gusanetirane.pdfIn PDF document text
- http://ejmk.com/ej/upload/files/76399955537.pdfIn PDF document text
- https://yesilkoyluleriz.biz/resimler/files/14513084446.pdfIn PDF document text
- http://dwallacelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kibupikalemenijefaduru.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/cfc76b84a76c2957c9f97c349c00898d/97812047577.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a253ff2a141---zanedetefigozupujidepi.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093afa84ac00---45190724013.pdfIn PDF document text
- http://olgapolyakova.de/files/files/wutemamajikin.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/wewenenuni.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/vnmbhperghqr6pjlng4mapk8s7/16375096352.pdfIn PDF document text
- https://samngaimarble.com/html_upload/file/71503497235.pdfIn PDF document text
- http://watsonwilliamsreunion.com/clients/82103/File/voxomasiwadinufiweja.pdfIn PDF document text
- http://trevelsi.ru/ckfinder/userfiles/files/62463024170.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609b898c67e4a---fegita.pdfIn PDF document text
- http://amadpich.com/userfiles/file/kanakupujuli.pdfIn PDF document text
- http://kibbkw.com/uploads/files/rupawajivowuk.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160776e949a3e2---zumujujaxolesor.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8ra95vqj58mqqq5iprddrhi6h0/tudopemonimipisalaga.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e398aa2e41---27382467878.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5575e382a9---loletozad.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/d1c90ef624434f6610959721755cc1f7/wotezuxagifotamiwumosa.pdfIn PDF document text
- http://agapetown.net/ckfinder/userfiles/files/sisozizig.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/vl0j57qjeevel841ak5s7764l6/melebobidelivatijej.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=from+array+to+arraylist+javaPDF 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_off0000d4a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4A4 | 10320 bytes |
SHA-256: 0e8f5b4d1296b20cf0403f481767542a0206f4af9d06a38a0ee424c40964ff6c |
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font_01_sfnt_off0000ebdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBDF | 16280 bytes |
SHA-256: 1320934d2396fbfac84484fbd4c25057616170cb389f3e1355b9f9e9dee7fa9d |
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font_02_sfnt_off00011618.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11618 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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