MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The presence of link farms on disposable hosting further indicates a malicious intent to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a421b5e7fd---85227462170.pdf
- http://fxmeat.com/upload/file/aa728791c6c1e42e28d498247ddc2f64.pdf
- https://sona3elkhair.com/userfiles/file/8462837162.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/b11bf3cfaffb266a167c52147ed8db1a/lefagotubux.pdf
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/543255552a728d911d4307c87f23d9f1/rukinezelewogobokavagozo.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/i00ncsia21prfcskntefs7u77q/68495335791.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608684301974a---39872387396.pdf
- http://www.como-grup.ro/fisiere/file/50608237826.pdf
- http://studio-castiglioni.com/userfiles/files/86680497821.pdf
- http://farmaciafasolis.eu/userfiles/files/62426780928.pdf
- http://lawngo.net/fckfiles/xotapewuwizid.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16091af72b5a4a---92209755893.pdf
- http://ledlight-lamp.com/mingyi/images/userfiles/file/8159175043.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608e713301a76---44656294005.pdf
- http://grafichesirio.com/userfiles/files/gakojotanivove.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160e49a9f2c335---bevaniwiwoduvakok.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/sjua7qvauqsb54of6ab40i8iq1/juzijidawowe.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16123bce8aaca7---67646759334.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/a8fc8c6a5f6613a0eeb500dd17f3fa2a/42186317900.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16072b17c57c6e---duwereva.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/86a9c59680cc712a44b09af4efcdbf49/kiwudu.pdf
- http://awkontrakt.pl/ckfinder/userfiles/files/taxater.pdf
- http://techsystem.gr/data/uploads/ckeditor/files/gokujuvupowopipiku.pdf
- http://inventory-acepipe.com/images/uploads/files/33384346537.pdf
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c833a137d---laribarorevakozaburulus.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=genetica+pdf+gratis
- 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_off0000dd02.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD02 | 16792 bytes |
font_01_sfnt_off0000f514.bin7e82d6e9831a876eeeddc21632e9feef8e96c47d71fc49935bed710b0a0147bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF514 | 17272 bytes |
font_02_sfnt_off0001218f.bin45419aa76facaa4dae22cca12ee3d275dc513fbeee1f8bcca6b38f37b330cda9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218F | 10668 bytes |
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