MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories. These links likely serve to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608656d46f10a---10480246270.pdf In PDF document text
- https://ready4use.ru/uploads/files/25657804455.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/7fe3e6c154de86a52d1d1d72f612b04f/taponupivowaramira.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16096f6df4963d---lalepapogomuvazibujoduzas.pdfIn PDF document text
- http://smflow.in/admin/uploads/file/faxarogiv.pdfIn PDF document text
- http://darienhigh69.com/clients/866565/File/zubojesijoragomivade.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160dfebae032c8---fororubirasiwul.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b23aa51ab4c---gakuxix.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093a446981b5---15345428047.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608485411a5dc---53560848496.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863f3024d0e---35525668895.pdfIn PDF document text
- http://4grd.com/cmsimages/file/87078366338.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a49d54dd1b---74193224821.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/3b8eb9b57b9379ec6001e66f321952d4/liduparilor.pdfIn PDF document text
- http://burchiellati.com./file_fck/file/93147084013.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb39f2ca01---19254564654.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/g8hnd6v54ejsjlbpi0uf44nlpd/6357928121.pdfIn PDF document text
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/6b407684731d408ceca69b745c8ebc1d/51459028942.pdfIn PDF document text
- https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/a714jepenq5sdbd5im2ldjb8ae/fixetebegikut.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/bb640475be4dfdb5277b12686b5fc484/47664416005.pdfIn PDF document text
- http://nutronicltd.com/userfiles/file/97881189170.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe6dfc828c---xanotegaxezonoguf.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607528bb69585---wuminigimugofobepus.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+get+money+fast+in+gta+5+for+beginnersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011b19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B19 | 10976 bytes |
SHA-256: c8badb175b35dba13152fa5ccad37da2b1d22206b18cb1db5a222ab25ae92d30 |
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font_01_sfnt_off000134b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B0 | 17420 bytes |
SHA-256: 927314456c37946fb56830e7a69cdd3dfdd9ab1f0d87860891af97f80b18be08 |
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font_02_sfnt_off00016235.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16235 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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