MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://sunpower.lv/ckfinder/userfiles/files/18023807388.pdf In PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/7dcf92f3bd35bfe4ece587a065aa0d2b/38675439373.pdfIn PDF document text
- https://mebelihome.ru/upload_picture/44140130640.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa4b0cfdb1---38424881985.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/28565c0ce6d5393b2ab9a94798e900c9/wogefenopirakonedi.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/zapibawed.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/wutaro.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160ed881833cb7---dijanad.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/51945307779.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/98651043833.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/7600487b4ee87126aa06144aef24df05/60390081745.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/70669384986.pdfIn PDF document text
- https://psychotherapie-coeppicus.ch/userfiles/files/52036741885.pdfIn PDF document text
- http://edumedcare.pl/upload/files/xikakusize.pdfIn PDF document text
- http://vijyaiprismcrm.com/userfiles/files/70699164893.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/dixizakezi.pdfIn PDF document text
- https://baoholaodong24.com/userfiles/file/tadafazifixijijifozitis.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/vodi8qmdhqgfctdetncab7c9cb/fuzowupezupesegigegek.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/38817788576.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/xekipepivaliveponidezili.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/59054404623.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/suzukujiwexarenamoxogun.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16074a5f224400---sewef.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/daa8bfc5edd7e974db1a6281aab426ab/94307359114.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609b545be0ce1---67438594668.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/10760866752.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=rubber+stamp+template+photoshopPDF 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_off0000f19f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19F | 10604 bytes |
SHA-256: 06d6be62cddc1c05bd1d4309d95426bc526a3fec7ca2100aa93b07d0079bdcb5 |
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font_01_sfnt_off000109b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B2 | 16608 bytes |
SHA-256: 502c30c5b96d5543351345e2b6bc8d23bebfb24fc497d276d34ddf758b274c90 |
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font_02_sfnt_off00013526.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13526 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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