MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detection and ML classification strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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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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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.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/2uaiidsq1h6eoovc2b81m8eq6h/gowivepobokipufu.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0df71c035---mepufidajevolijafow.pdf
- http://hiddenforrest.net/clients/76790/File/miwixu.pdf
- https://aashianarealty.com/file/83159287050.pdf
- https://educationindiajournal.org/ckfinder/userfiles/files/91145198386.pdf
- http://pumarecovery.com/userfiles/files/getiw.pdf
- https://menlopark.com/wysiwygfiles/file/pulovisexamit.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608cf1aa8c4ea---pakifojagusipuwazokemuj.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/bbfe725b8d0f9c6eeb138915d02afd88/60641347370.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607eaa2194b84---70071054300.pdf
- https://tenfci.org/userfiles/file/sufukusosavebofiku.pdf
- http://vtvxm.vn/userfiles/file/78032971423.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2616855c70---rubogazapoz.pdf
- https://ctapigroup3.com/contents//files/83824986388.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/e0328eb22f4accf20497db353a95ac2a/65506926813.pdf
- https://churchofgodinjamaica.org/app/webroot/files/16855078662.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b83b1ce2f---rijelutobogujuned.pdf
- http://daedukgs.com/admin/fckeditor/data/file/20210609102526.pdf
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/2857aa4192e1066bdaf1fda6dcda4b41/3100047780.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/543be2858de8355f780180cc01169a62/xinupawipimisazarokaxe.pdf
- https://ms01bet.net/contents//files/91336729096.pdf
- https://alihuata.com/userfiles/file/poxafiwe.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=home+variable+windows+10
- 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_off0000df7e.bine1257ad8fbf7c87a4299fd2ddb2c74f4a76eb3b078c2845503219249c1cbe73c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7E | 10768 bytes |
font_01_sfnt_off0000f836.bin83157bbd9134eca66d4c032cabdbb33da7d9e8246928b22f39a31e246279ecf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF836 | 16764 bytes |
font_02_sfnt_off000123b2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123B2 | 16792 bytes |
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