MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress upload directories, likely serving as a lure for users to download further malicious content or visit phishing sites. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document's purpose is to trick users into installing malicious browser extensions or updates.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d26aa61d564---sedamebori.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/jbn1j9oq3efru2g5fi0ojp6v09/kikorizida.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b8086088a3d---46624902249.pdf
- http://pietroquatriniarchitetto.eu/userfiles/files/45660996058.pdf
- https://ludifrance.fr/userfiles/file/limowuxakefosa.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b098c6e4c0---xusawikovapulojelogifanu.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/40ed295ebcc34f38e81be0c9e4174134/runenodafopamag.pdf
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c477a68e2bf---sibudotodotef.pdf
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc879542cdd---nemigu.pdf
- http://polymer-optix.de/userfiles/file/95219858605.pdf
- http://dpsszczytno.pl/photo/file/59583269537.pdf
- https://eatorhours.org/e-bussiness/fckimages/file/15585646586.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f261e06dd---murafojugupefuzisapavis.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/a3qft9fj0tpe8mrffsv393guma/57214749476.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/90a727dea850575ae2c43dcb0df9cb7a/sakatulezirevawoxutoke.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9afb465c2---tewib.pdf
- https://charterboatdeliverance.com/uploads/files/50616279478.pdf
- http://extintoresorigen.com/images/editor/kubusosanirum.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/f714927bc73fc4872cee445b9999a198/39971568666.pdf
- https://mytopics.it/uploads/file/vuladuketigipemanewawak.pdf
- http://21cedu.com/pds/userfiles/files/62922106844.pdf
- http://sshs61.com/clients/6/60/60e739d5a8cf4a6710e4f064fd99417d/File/vezan.pdf
- https://blokhol.com/upload/files/61196463521.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=stop+limit+example
- 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_off00010e2b.bin9c7ddebc94217bc6a1f12c4847e0f29c1946a60fe1b38ef23edabcd695e01868 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E2B | 10220 bytes |
font_01_sfnt_off00012528.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12528 | 16792 bytes |
font_02_sfnt_off00013d3a.bin96c347d38716a01e1bbe82e323ec5788981b6126682e1c7401aba1c31627c5ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D3A | 17900 bytes |
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