MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier. Static analysis reveals it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These links likely serve as a lure for phishing attacks or to distribute further malware. The PDF itself contains garbled data, suggesting it's not intended for direct user consumption but rather as a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3c4230909---natef.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0816c2b44---34845461311.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/tm7n5t3qsu03tmbdp7vmk1tt62/73669282983.pdf
- http://capesociety.ca/uploads/files/wixorosenofa.pdf
- https://resonanceacteurs.nl/userfiles/file/79361117284.pdf
- http://robwalker.net/fckupload/file/74563427289.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a00094ad4c5---kutavoju.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4923073cf---vasabotoma.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/9mfh81mtvvr0m5f2auf19k3j4a/wovap.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877f0050ea2---56035288839.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf4214e64f2---wejozivanes.pdf
- http://remaining-mc.de/userfiles/file/jawikasewukosodos.pdf
- http://nanoscopy.ru/uploads/files/butiratijozenuto.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/d001bceaf589c97e308e7b107cebb644/46246031062.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608f393a1e61a---42742338718.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/80db98d79a32a379953ec919acd21b38/19673986357.pdf
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c480a5ffe---17561772759.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9272d7ff4---65969565946.pdf
- http://austria-ex.com/images/blog//file/67554682704.pdf
- https://ibextrail.com/editor-images/53080558373.pdf
- http://dienlanhlongan.com/upload/files/26158519813.pdf
- http://electrogalicia.com/electrogalicia/recursos/archivos/69601587462.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/f917cc98048e0363225c681abd88552f/gituzimefifuxisupon.pdf
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/5c17885b07fa67a132ea901199d206df/supuvilenufopedasemimujo.pdf
- http://tz5168.com/uploadfile/image/2021/06/26/file/20210626_013625_131.pdf
- https://xuantruongtech.com/images/ckeditor/files/53443071874.pdf
- http://chanakyaaerospacedefence.com/userfiles/file/lexifevamazinazelazopi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ina+section+208
- 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_off0000e8e4.binebdeeb0111ac6f5a60fb604a1110a0c27e58e933647ae92dd7a658400798a149 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E4 | 16700 bytes |
font_01_sfnt_off00011421.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11421 | 16792 bytes |
font_02_sfnt_off00012c38.bina9cd006987626e49137a70cd52644f90ef30c4cf7a901a8f530ee7e2fa35ddb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C38 | 10480 bytes |
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