MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating it functions as a link farm. The primary purpose appears to be directing users to external sites, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://medvor.ru/uplcv?utm_term=roots+novel+pdf PDF link annotation
- http://limuzine.md/userfiles/file/dudufazamumipivanu.pdfIn PDF document text
- http://rc-mst.com/mst/_upload/files/bilowuv.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131b04465e59---16411664245.pdfIn PDF document text
- http://zdravi-kromeriz.cz/files/file/30208589019.pdfIn PDF document text
- http://carbontuning.ru/file/10847632122.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614040003129d---57386754662.pdfIn PDF document text
- https://ourlady-schools2.com/userfiles/files/81100545326.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/161410b92331a2---nenanonulabowapapikesinuz.pdfIn PDF document text
- http://efuturesthai.com/uploads/files/kupowogizu.pdfIn PDF document text
- https://beldapin.com/calisma2/files/uploads/14505439981.pdfIn PDF document text
- https://slotpt2.com/contents/files/juvobo.pdfIn PDF document text
- https://magicdiscoradio.com/userfiles/file/dumoxuxuzamivemalab.pdfIn PDF document text
- http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/birununiputudu.pdfIn PDF document text
- http://firmykominkowe.pl/Obrazki/edytor/file/xakowapugososojixojoruz.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/sqbi62mh0u73d49iojo5qi8ps5/9119769375.pdfIn PDF document text
- https://abouelhoulgroup.com/userfiles/files/9794360753.pdfIn PDF document text
- https://funcarele.com/ckfinder/userfiles/files/nomisifutagivokawosutela.pdfIn PDF document text
- http://chinhsuasolieu.com/media/files/76266542812.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/lelolexamidomatarus.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/23120539647.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/12544567764.pdfIn PDF document text
- 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_off0000de01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE01 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f613.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF613 | 17736 bytes |
SHA-256: f324348c31d048b7cf23863133ff5aba953e768d0710483937536dad812a8cd6 |
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font_02_sfnt_off0001234e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1234E | 10248 bytes |
SHA-256: d4cf7a300c0a7a2ff1ad7acff7aef6f7223abb8c6cbc89b25bdb59d171277fe6 |
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