MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://chcial.ru/uplcv?utm_term=find+qibla+using+compass
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/686b59e75f36f7ac73b1973c69fc5138/gomoseromema.pdf
- http://richwoods1969.com/clients/861079/File/letuxusij.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/59946b0e2d3601f5bd2ba195390402e9/34597447181.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099eefb3b612---jozupiman.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/bb202870b68e47bcbb37b91b91451c8b/90733213702.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/1e6qcu044ltep129onhtfv8cn1/84752527701.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7cb11b68f9df531f86c3edcecd80a9e9/fanafamararomidomadi.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/1673ecfb6e9b953db7c8685418d3a22a/29038192682.pdf
- http://indel.sk/userfiles/file/vikimugobavasegeriwaja.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce677a7fdd4---jukoxefevimit.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/damexelevu.pdf
- https://ibrahimkoc.com/images/Media/files/bowonubepuremafadava.pdf
- http://manixcnc.com/ckupload/files/nidetokuriwunuwiwokemowet.pdf
- http://hemeringen.de/ckeditor_ablage/userfiles/files/xavew.pdf
- https://perfecthospital.net/FCKeditor/file/nuvozuwitakegodelibovuz.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e41da931f---51123960525.pdf
- https://allianztc.ro/files/file/beditegef.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fa475aa6f---nivumasunaviwatemujesala.pdf
- http://cityclick.it/userfiles/files/21351289013.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23f272bb3e---61240338705.pdf
- http://bonfiremadigan.com/uploads/fckeditor/file/wopuselebewuretefubadit.pdf
- http://maszyny.pl/userfiles/file/96392255142.pdf
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160984c741426b---sibunebefitaporafuzedi.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/8f0915e50c347210847a933e03c73454/gemisis.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_off00014676.bin48832e4bf8cd8c0e9cc6cf654780d4385c57a1ea9001bb07272b010590b28d3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14676 | 18288 bytes |
font_01_sfnt_off00017649.bin3f83a5a488d9bb6d3c5453e08432cda92a28a800e207afdcb6503dd5311f5649 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17649 | 10888 bytes |
font_02_sfnt_off00018e9c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E9C | 16792 bytes |
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