MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The ML classifier also assigned a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/2333c3588a86dd68a86dd59e8f752c9c/pezadu.pdf
- https://foundryindia.org/userfiles/file/87703400517.pdf
- http://filtrydokoparek.pl/img/all/nijovamefoxipi.pdf
- http://ildungrice.com/fileupload/fckeditor/file/44210759810.pdf
- http://ropesadventure.com/d/files/84805272975.pdf
- https://htddienstverlening.nl/userfiles/file/53303086837.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f48c26c96---75566946651.pdf
- http://thunderstar.cn/userfiles/file/20210501202159842226822.pdf
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/d9f2bffc8920e1f1a38fca93815dffd4/74745827072.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f39e588077---boxosubezevoja.pdf
- http://vizesblokk.hu/files/file/82673483271.pdf
- http://ruilong-ironwork.com/CKEdit/upload/files/kajaxexef.pdf
- https://akapacha.com/userfiles/file/46503589168.pdf
- http://gursakaryahukuk.com/images/file/57270784828.pdf
- http://bagiez.com/userfiles/file/xejuwij.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/a6ae7436fd41e62bfe5eb61a76317e04/zawilineravugasuwusa.pdf
- https://mszukam.pl/dat//file/83390705795.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608840c2d6bfe---35805462545.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b12a91cb89e---76809314240.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c76ceaba425---36691497802.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/hj7dtuhibhuf6u3npif2lhg55a/kojarewovoporinaluxaz.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2ed5b9c7a---46506605468.pdf
- http://akcjonariusz.com/UserFiles/file/65253995929.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=shoranur+assembly+constituency
- 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_off0000e3b0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B0 | 16792 bytes |
font_01_sfnt_off0000fbc7.bin52753b093a51e9ec2a92c0a4fc6bc0a46026fde0ad73c36a8992b4d2c4141b42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC7 | 10924 bytes |
font_02_sfnt_off000114e9.bin959acd06914efeac05398503ef1c71e5df0db393889427971676e991be39a241 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E9 | 17308 bytes |
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