MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF is identified as an image-only lure, typical of phishing campaigns, designed to trick users into clicking embedded links. These links lead to a farm of URLs hosted on compromised CMS uploads, suggesting a multi-stage attack. While no scripts were directly extracted, the structure and URL patterns indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
Heuristics 6
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://sanaspinler.net/calisma2/files/uploads/45154689668.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146741a0b940---pawazof.pdf
- http://ndt-tl.ru/upload/file/tupimipo.pdf
- http://exoticland.bg/upload/files/files/fujubasuzazatemudu.pdf
- http://bassbasement.org/userfiles/file/13487793774.pdf
- https://12shio2.com/contents/files/pifetivoboliwebimo.pdf
- http://langeline.com/ckeditor/upload/files/derisiva.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/b7k2ho1i0729f9v384bec2s811/47048776345.pdf
- http://derp74.fooden.com/UserFiles/files/95923831217.pdf
- http://ros-grad.ru/fck_editor_files/files/56211485576.pdf
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/20704986796.pdf
- http://mega.kz/media/upload/files/venepozega.pdf
- http://yigang-lin.com/uploads/files/202109200942408118.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614b1e80772f2---febigetirojik.pdf
- http://zzfcw.com/file/fkimg/file/satas.pdf
- http://semihkerpiccilervesupersound.com/upload/file/2063763653.pdf
- http://ckpak.com/fckeditor/userfiles/file/xulurupok.pdf
- http://mudrkanuch.sk/editor_uploads/system/files/vopatovole.pdf
- https://grafconsulting.pl/Upload/file/70594710791.pdf
- http://eatatrudy.com/uploads/files/velerizulefuvujukadux.pdf
- https://madame-tina.com/ckfinder/userfiles/files/60317006211.pdf
- http://tutek.eu/userfiles/file/gonurowelomo.pdf
- http://neodentpetrosino.it/userfiles/files/95691180096.pdf
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c1cb7680b---basujof.pdf
- http://podiummoda.ru/userfiles/file/nizowumipuberid.pdf
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/lmdnslueu7j1n5grhbt7mad2e4/65162098566.pdf
- http://babijie.com/upload_fck/file/2021-9-22/20210922144606871475.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=after+the+rain+watch+online
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b266.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB266 | 16792 bytes |
font_01_sfnt_off0000ca7d.bin607a9b96c927204487f9783b25f43f4e5f52a735622dfd5c5bc2857a84967126 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA7D | 10332 bytes |
font_02_sfnt_off0000e1ce.bin909eab65536a89ad114bb431089ffb17dc2a860db58d8ebf00eef15fd53a66fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1CE | 14728 bytes |
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