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 0.9947
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 http://dambi.pl/userfiles/file/vuvipipofasesa.pdf In PDF document text
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9b3985a71---3762717547.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/63325986522.pdfIn PDF document text
- http://exhibitionchannel.com/upload/94797315453.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af9ad248e68---vizusesa.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/78792893991.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c98b94cdf1c---26369633618.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ca1904002---xumepipop.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/67fb4b7ee5361000e56391876e6df2d8/48608932403.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/hrosl2p7amv3dhvhta8p3sf1t6/95969119120.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/rafewerupovimefuxavuj.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/91713844799.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b0fcb7d8cd2---sutevatenununuronoxo.pdfIn PDF document text
- http://angelescare.com/userfiles/file/ritezisadisosabe.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/xojutuluxet.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/zimofujutepaloravupiz.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c060813d781---21935317078.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b03adc95382---tupijizasiz.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/umuqdofi8uiqbpr1djocpc8b9h/kadipuwej.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/c00fd049f58d617536cdfc21afdc88d0/24422783091.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/78801721302.pdfIn PDF document text
- http://www.ks-zahnarztpraxis.de/upload/files/12513866437.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/58ba02ba82bff3f51c3f36ada7a18331/32843315677.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee89e1afcf---8370878662.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=apex+legends+cheat+undetectedPDF 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_off0000fc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC73 | 17672 bytes |
SHA-256: ef12da0c20b4c213e911a5defab6287d715d3b35c281f00ae04d27c590025852 |
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font_01_sfnt_off00012aff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14316 | 10664 bytes |
SHA-256: 8a140ca798cc933b436f1d18fdd630cc2eb72ba330ba10f1eb7d38dd5c8662a1 |
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