MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS upload storage, suggesting it functions as a link farm or phishing lure. The PDF structure and embedded links point towards an attempt to redirect users to potentially malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://infrive.ru/uplcv?utm_term=use+of+bare+infinitive PDF link annotation
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/dc97f0f02659c6eb28c19fa83c2c3e49/56036760422.pdfIn PDF document text
- http://datavincity.com/uploads/ckfinder/files/85284277733.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160792a9a67c08---jigijoran.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607665a02e3d4---8427643978.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160add53857613---gubebu.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/b181d9d65f7384de9bfb9e929bf0c1c4/xapirozamovamimusokizu.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/gcjq48dkmmaar9f89e389asjvf/pinonaxexubazukolemum.pdfIn PDF document text
- http://industrialdevices.in/uploads/duguresorelimuvanigi.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/xijodewugawotodo.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/8f539cfffc74ddd26778bf9a3afbec6a/51745637420.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/cde3b585dc046f9564ede6a3a4ff96b9/wemubopivivixiritopij.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb1a365c78---musisokorawiwulaxelivofi.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d48f0a0fc---46515469925.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/ab5f8254271d961b61ed08c7979c990d/48234289792.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/15rd016gjgvdm0dhanv4q2fqbn/13324978116.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/5f9544fbe25771127bd607e2460e9b5c/zudafa.pdfIn PDF document text
- https://jackyrouxmethode.com/userfiles/file/xokanakutagibomigudelivad.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16089364fbf46c---takilabotibemubu.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/nseeu01uqlt8q87itscje9scmp/nejabalot.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/d07331d5c8cf4ec3b2959b6cdbd111a1/pejir.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/331c02011b7511681227340c89d412cc/jawosevojufaf.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/voveganekujaj.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/tf147cr347c3ub6fdtsmv4b010/845167057.pdfIn PDF document text
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/2b5d8778670bec45ded9163c9fe7cb2a/vazan.pdfIn PDF document text
- http://mamam.by/upload/File/file/68655157574.pdfIn PDF document text
- 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_off0000e5bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD1 | 16360 bytes |
SHA-256: 925a65c4bfddea32a982724c359f16a1e401a9c2cfe9698bc51c164ec787a918 |
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font_02_sfnt_off00012801.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12801 | 10376 bytes |
SHA-256: 8a2cdcf0721a4a86124547b30247c0edf8473363fce1b9f676fb29934ff02e98 |
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