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 0.9952
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://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/54905d8c3d695dc9e62f0e622586b5e3/gerovidegaramosutomewe.pdf In PDF document text
- https://weddingitaly.jp/images/file/valinabopadabix.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca550e6d92---41194231100.pdfIn PDF document text
- https://migger.dk/userimages/file/rerobepujomamegol.pdfIn PDF document text
- https://pindimana.in/uploads/file/mukewurugevirovemeji.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/521622fd363d5748adfe88460ef2598e/nimowusaguvunurob.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/gumonijuxurikura.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b6843d4d9---kusujemiwiwal.pdfIn PDF document text
- http://cortabellanews.com/userimages/zaribevilupofulafomenamav.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/b3d57bae1e41b36264fda91baa4a7239/50162081879.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/monobizigezenixa.pdfIn PDF document text
- http://maroba-zirndorf.de/file/baxikop.pdfIn PDF document text
- http://security-m.jp/tool/images/file/85463090186.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/wejizifew.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/985bed98658b2e0781f481947a6bdaad/92747414836.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/goxog.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d97de1553---vuvego.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6d46c9dae---pomedizurazulojonug.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/14802512074.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6cd97772f---gawegapelojasumat.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/55203733646.pdfIn PDF document text
- https://aduanaldelvalle.mx/userfiles/file/religoboge.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/353914b278e3809e70116daf7939dc6c/21487201228.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=electron+configuration+1+to+30+elementsPDF 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_off0000ebc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC6 | 17576 bytes |
SHA-256: 26f877a647db0dda2486ab82e562f63d0af044f59e5e40ebc7fa8e71840a2713 |
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font_01_sfnt_off00011a43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001325a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1325A | 11108 bytes |
SHA-256: 0d1aa1697cd863f125a96bd605b02abeabac8cebe36e79f84ba3d52da4fb3913 |
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