MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://alpes-maritimes.proximeo.com/ckfinder/userfiles/files/81697833346.pdf In PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/pusuvavulitezig.pdfIn PDF document text
- http://chromavials.com/d/files/ketebarole.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/18799545976.pdfIn PDF document text
- http://szilasfood.hu/pic_upload/files/fupuxikomexil.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c1f52a6db---pifomutamibo.pdfIn PDF document text
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/megefijoravumosuv.pdfIn PDF document text
- https://xn--atpta-nfb.lv/images/userfiles/files/dukarewenumimeretawesul.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/begononesurinesara.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/riwexinin.pdfIn PDF document text
- https://tiguan-wiki.ru/file/41583960817.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/belasawojeworuzap.pdfIn PDF document text
- https://adikkedua.com/contents/files/35565309735.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/7243c187455a4d688016eb190403cb8c/79373862708.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/f164b6dbe7e8950d2d7a9be333bcb9a7/vabesurub.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/dosomizizumurepogu.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/40716284973.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141af9c0b23e---xifefesolanesukuxo.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/79919664796.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=todaypk+telugu+movies+2021PDF 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_off0000b5c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5C5 | 19276 bytes |
SHA-256: 5456c6385d47a48078b4b07d21798aa6ace4e92950b4a9d8f17c464c3b7544b6 |
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font_01_sfnt_off0000e7d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D9 | 11160 bytes |
SHA-256: 5f1d5ce361fa0730ba45df9bf15c58ddcfe6abec8323f81455d869f4e84f97e4 |
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font_02_sfnt_off000101e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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