MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains a link farm pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the 'SE_INVOICE_LURE' heuristic further support a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/936093c1e72463341fcff4397408b6ea/70370506709.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa518732b16---waverogifusib.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/26kfnpfatulhponjo5m81g9dmf/2351022215.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c876384bff---96515532012.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/nnbgd95lapn99kapqoecbd5uk1/govamolanofibizago.pdf
- http://malagi.pl/user-files/fck/file/jawewijabanagamomo.pdf
- http://bjhtdszdh.com/v15/Upload/file/202151481758518.pdf
- http://csc021.com/userfiles/file/20210612085055_2ltzgb.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f110ff2b21---12100903274.pdf
- http://yaeram.com/userData/board/file/23609082616.pdf
- https://kaptenhoki.net/contents//files/52219899707.pdf
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/6ce10d45f5ff2fdbf2206287e2501b2d/86522996584.pdf
- http://efrex.cz/files/file/72839451288.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/17a290eefa931de9d60cca59cb6ebb94/77132214512.pdf
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d22a70b8ff1---23633053404.pdf
- https://tecnibat.net/uploads/archivos/92962834912.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/s7qj01ipds73ct9a9g1db1v8n7/99154215695.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b03a5e97282---jeferam.pdf
- http://muzeumostrowiec.pl/obrazy/file/62296915971.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16082696c5ca20---visesi.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/ff6a9b9c95432689652a36055af6b141/10020349078.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/9s2gbq7tv21fbpofrsudlhd2m1/daputopizetomidabil.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a540bdb4fec---13683312030.pdf
- http://texasstatealphaxialumnae.com/clients/f/fe/fe72632f573fdc77cca6b85875c63e8a/File/widunorevoxulewawize.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=banking+products+and+services+in+india+pdf
- 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_off0000f2e7.bin79fb70dc99530ea4481a2f9af17a7cad33e78803983298b6607e949bd5beaaa4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E7 | 11060 bytes |
font_01_sfnt_off00010cab.bin82922b7252317f587112ee07afcf3802ed5059dcd20ce1c7dff678880affbfcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CAB | 17608 bytes |
font_02_sfnt_off00013b18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B18 | 16792 bytes |
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