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 0.9974
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://nsfeed.com/_UploadFile/Images/file/ritumedimedazex.pdf In PDF document text
- https://alternativecarrepair.com/userfiles/file/gibijejirofumonijilimopes.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/a02c8b6b11293ef466faa639de56b706/pilepamolugeju.pdfIn PDF document text
- http://thegioimaychaybo.com/app/webroot/uploads/files/zalupituvogab.pdfIn PDF document text
- http://meetburgerusa.com/uploads/files/begiwinupozakilunedopasa.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160ae45885b8b8---kevekofifosajitawexedogo.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098877e79562---97599690665.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/35766904242.pdfIn PDF document text
- http://amadpich.com/userfiles/file/87167263268.pdfIn PDF document text
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/bojoko.pdfIn PDF document text
- https://bititechnika.com/uploads/file/21668086975.pdfIn PDF document text
- https://pcetravel.com/files/file/45728345541.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e02823a73e8---35365184466.pdfIn PDF document text
- https://rivaflo-south.in/userfiles/files/tusadubibemewunerobedek.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/mezogoguzojap.pdfIn PDF document text
- http://surtek.biz/image/files/20150225_120537.pdfIn PDF document text
- http://alhouti.com/userfiles/file/48363967663.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a500f1b281a7dc35959e4f1aac428c26/tosibe.pdfIn PDF document text
- http://ciskmv.com/css/file/40011301110.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/31049459450.pdfIn PDF document text
- https://2-view.org/home/view/public_html/ckfinder/userfiles/files/13834969164.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16084eb84131ed---38135826908.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/xitixiji.pdfIn PDF document text
- https://soechi.id/userfiles/file/natatokixanoxu.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/343f2eba6f1b377706e123cedc29ecdf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=dear+parrot+evening+tuesday+weekly+lottery+8pm+result+pdfPDF 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_off0000d9d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D8 | 17708 bytes |
SHA-256: a3a56e51417bd5d75018c70aaf3aeeffba53caa9a7c5d486521904b3a3de166e |
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font_01_sfnt_off000107cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE6 | 11508 bytes |
SHA-256: e9cf4185b593d50109e15bc07ea68c4141ba25700d86f3ed698019540e06f2bf |
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