MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the PDF for containing many links on disposable hosting, further supporting a malicious purpose such as phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://laatuwhuisweerstralen.nl/upload/file/jujawafowu.pdf In PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/zewodaxexaduj.pdfIn PDF document text
- http://eptesteplelek.com/uploads/file/dasiwe.pdfIn PDF document text
- http://prosefkuchare.cz/userfiles/xizaziwetikurufibubapo.pdfIn PDF document text
- https://shioturboapi4-xyz.com/contents/files/56533174808.pdfIn PDF document text
- https://thietbigas.net/media/files/zuwagofulisos.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/30290505311.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/87552315929.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/zenezodebavekaxurefo.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/xoxenawe.pdfIn PDF document text
- https://www.gpaci.org.br/cms/ckfinder/userfiles/files/wimejonafebobosegukapif.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/665474187.pdfIn PDF document text
- http://mlead.net/images/e/file/3142314744.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16139cd82031ce---19082925578.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/sobeponisigesaru.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/21343834227.pdfIn PDF document text
- http://musthighschool.mn/ckfinder/userfiles/files/dumunawalofevis.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/mifovegejituwed.pdfIn PDF document text
- http://giteduguedesboires.fr/userfiles/file/21096489529.pdfIn PDF document text
- http://altronic.pl/!mag2011/userfiles/file/55583337558.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/reziziwixisofowamaxagafol.pdfIn PDF document text
- http://arsvet.ru/img/upload/woxidenim.pdfIn PDF document text
- https://bellcera.60km.com/upload/files/xufosaxurewav.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/tadoxik.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=webm+to+mp3+converter+online+freePDF 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_off0000bd16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD528 | 18072 bytes |
SHA-256: fd802973b3728e73807bbf70ee8196a09b09d54d459c0ac39296b83ebb777790 |
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font_02_sfnt_off00010213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10213 | 10680 bytes |
SHA-256: f26859f4830a37404fbecfbedf84de42e4081cc6d89868861818c08e8e04c88a |
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