MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to other PDFs hosted on compromised WordPress sites, indicating a link farm designed to distribute malicious content. ClamAV and ML classifiers strongly indicate malicious intent, likely for phishing or malware delivery. The embedded URLs suggest a multi-stage attack where this PDF serves as a lure to further compromised resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160758490945a2---31326378806.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160732c572bc31---48496587603.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc63c9f5aa---15805031311.pdf
- http://brandnewgoods.net/userfiles/file/zitexejovoriwuwu.pdf
- https://aiwatopup.com/ckfinder/userfiles/files/65310742707.pdf
- http://nineslash.com/user_file/file/rijidel.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/ovvatrdu2hdpcc4946spvdpp2c/58066244599.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/cd85af2b955178b4241eaa718729e95c/doguperaxejosun.pdf
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/959542cfbfeb8084914c10763df83cc9/jeruxupilejafaxuxus.pdf
- https://mfdesign.hu/files/file/kevamoxipufu.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/88d16f98162ff03908769d2ee8b9746f/wufiwolutex.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/38rqdnnvdqa863bj4nal0jue23/favejud.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/b776ee89ae5595e59e295691e278f144/7562989386.pdf
- http://ezibra.pl/upload//file/48133605279.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/a7nj02paq51v378smv01u5kmmm/vizaxituwovedodiwuzebumi.pdf
- http://etasystem.net/userfiles/files/46593993796.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/2lerh07jvkqqh8q56jm4elkb17/73121591474.pdf
- http://xaydungphongphu.com/uploads/files/wokitiwusosiwibapuzesinam.pdf
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/zedupu.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2909971c3---duromoduzi.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e7a3cd4fb---41658396186.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/8b8ac2dff30342eb937dd1167a9c89c2/losoweparuravej.pdf
- http://kennycojewelry.com/userfiles/files/202106/1624097812.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdac2420076---76661849439.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a15d503a450---nimukineze.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=2017+business+leaving+cert+answers
- 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_off0000dd91.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD91 | 16792 bytes |
font_01_sfnt_off0000f5a8.bin3ce7c5271d8764d891cdba33ad9ab234f74b2fe8150a1daf5aa17827a14beba9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A8 | 10924 bytes |
font_02_sfnt_off00010f4c.binfc89bd2b1987ff91a9b52dd89835e6b781ebbff33d8da539203b8611c541bc3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4C | 17504 bytes |
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