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 0.9990
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://supermarketdv.ru/files/file/6473558212.pdf In PDF document text
- https://leosservices.com/userfiles/file/50236861519.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/fezugopaxudapuxo.pdfIn PDF document text
- http://conroeclassof72.com/clients/d/de/de0acc14889d5d69ce6a2e221f3e79cd/File/16441251177.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/a43af328e9c80bf6303eafa679bee758/38655704739.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608825fb90419---satukuxef.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf6a8c97ed---8198371376.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b50a80e52---zoxemigod.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/946deb7f7c895d252dea70c87e773edd/xofuxogobuwovewojazuliwav.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/20043507889.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/48pilri5llv4o7t9beduf9pls3/25530906229.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22c3da69c6---93871988434.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160af33ade9fd0---rapegowawudorowide.pdfIn PDF document text
- http://asirakademi.com/resimler/files/xopudodezawupu.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160961f4c592d0---99089223896.pdfIn PDF document text
- https://mollis.rs//files/somarat.pdfIn PDF document text
- http://harasim.cz/uploaded/files/8546064515.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/19997397967.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608547d82cff3---muwujafiwuli.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/zaloweliwutefogituxo.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/07/files/210716034738.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=delta+force+xtreme+2+free+download+full+version+pcPDF 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_off0000fa25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA25 | 18332 bytes |
SHA-256: 23a7ef85484f7c556e3b8f470d26406cac9e9b3d280c10d4d4bbced97c1ef92e |
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font_01_sfnt_off000129ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129FF | 11256 bytes |
SHA-256: 7b2706d4d64963483fb03225ede8609e8006e58bba4d355308ec6ee1f5db31cd |
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font_02_sfnt_off0001448e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1448E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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