MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://nikosdimos.gr/userfiles/file/xovevibubobok.pdf In PDF document text
- https://garraldaarquitectura.com/garralda_userfiles/files/16463959614.pdfIn PDF document text
- http://petra-koparki.pl/Upload/file/37693540504.pdfIn PDF document text
- http://hankyunget.net/userData/board/file/66687726414.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/59471216271.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16163934846f01---35143593974.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/lijazijusitemuwiw.pdfIn PDF document text
- https://comptables-publics.fr/userfiles/file/nakiwojugizuxi.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/67c642dc51d00f24d9f37ae28e83e5bf/17396474693.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/porikised.pdfIn PDF document text
- https://o-dance.com/upload/files/71578665810.pdfIn PDF document text
- https://ladangmimpi.com/contents/files/44863201596.pdfIn PDF document text
- http://tasarimak.com/ckfinder/userfiles/files/55486233190.pdfIn PDF document text
- https://rajakeempat.com/contents/files/76033236794.pdfIn PDF document text
- http://floramarble.com/uploads/duvadizewawuxe.pdfIn PDF document text
- https://hijaustabilo.com/contents/files/52697959035.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16153ec5ab079a---94673496155.pdfIn PDF document text
- https://medius.sk/userfiles/file/26920166979.pdfIn PDF document text
- http://topaslt.com/userfiles/file/nekelelarimibapeli.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/9a4e799c6d24db655a25ba3c2d4d80c7/merisaligile.pdfIn PDF document text
- https://medtek.vn/storage/file/30201478389.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/71825285158.pdfIn PDF document text
- http://compsult.net/userfiles/file/futawubi.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20211022_EDF76A9C2D05BE2F.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/u-9XGpgKpwY/uplcv?utm_term=4.7+cm+to+mmPDF 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_off0000b768.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB768 | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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font_01_sfnt_off0000ce8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE8D | 9684 bytes |
SHA-256: 53c03d20eebb25c1f8df5284afc24f049ca6cb8b86d67f00605423371d0cf84a |
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font_02_sfnt_off0000e3b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B2 | 17996 bytes |
SHA-256: ebedda2eb0b9c14fc47a013e86640688abf52ff6b92315d1d0a273754bf7ff94 |
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