MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised websites, indicating a link farm designed to redirect users. The presence of external URIs and compromised CMS upload links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=best+emulator+ps2+for+android PDF link annotation
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/161365e77cb68a---vubopejapazovokalasiwes.pdfIn PDF document text
- http://1day2night.com/UserFiles/file/roteredewoxebimolurapodab.pdfIn PDF document text
- https://asoriofrio.org/ckfinder/userfiles/files/xonanesigemesofe.pdfIn PDF document text
- http://cgl.lu/userfiles/files/47208131002.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdbb459f81---nevewenubabekedosan.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136aaf43f29f---35228262147.pdfIn PDF document text
- https://vr-spagna-20.effievirtual.com/galeria/files/nexovebumorudobi.pdfIn PDF document text
- https://bharatceramics.in/ckfinder/userfiles/files/6146597518.pdfIn PDF document text
- http://lavalnerina.it/userfiles/file/xijefuzudevoku.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/zuralip.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/nenimubejike.pdfIn PDF document text
- http://sherwoodchambergolf.org/ckfinder/userfiles/files/dajafodutiwisijularovuko.pdfIn PDF document text
- https://birutelorasin.com/contents/files/reperasutaleb.pdfIn PDF document text
- https://suprizpin.com/calisma2/files/uploads/suxabo.pdfIn PDF document text
- http://hftyby.com/upload_fck/file/2021-9-4/20210904033453109497.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/ougcj5s0roqfiftckf829r9ogq/sivojavigiwukenofuritenif.pdfIn PDF document text
- https://ripedzn.com/app/webroot/files/fckeditor/file/nujodasavirafi.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/30033643808.pdfIn PDF document text
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/surumenubiwutez.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/megejofeletoxunaka.pdfIn PDF document text
- http://fotografiafrancescosomma.com/userfiles/files/wozixa.pdfIn PDF document text
- http://cnex.cc/images/blog/file/napupirofonifa.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_off0000b33a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB33A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB51 | 10932 bytes |
SHA-256: 89615728e91dfc5bec832383ae56505e6d3137105ebf3a755adb9922656051cd |
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font_02_sfnt_off0000e4ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AC | 16796 bytes |
SHA-256: aca0d4f71bbe17ca489d6049b207fb83f197bbeca7688d652035afb81bafabbd |
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