MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to external PDF files on distinct domains, indicating a link farm. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the high ML score strongly suggest malicious intent, likely for phishing or distributing further malware. ClamAV also detected it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://kaptenhoki.net/contents/files/vejidezuzotakeweki.pdf In PDF document text
- https://asiantms.com/ckfinder/userfiles/files/givibuxebonesezexomufabu.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210904195900195.pdfIn PDF document text
- http://archiw.gbpopatowiec.pl/img/upload/files/dowuvaki.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/roxoxipevo.pdfIn PDF document text
- https://chambres-lannion.fr/userfiles/file/sebakamidifejudoduriz.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/saxewijonabigijirilonut.pdfIn PDF document text
- http://rosesrealtyhomes.com/userfiles/files/sowidosumulofeporolajugiv.pdfIn PDF document text
- http://t-eamplus.de/web/editor/files/70779476047.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/wobiramupumeset.pdfIn PDF document text
- http://prasongp.com/file_media/file_image/file/25085995690.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210916185042.pdfIn PDF document text
- http://webspace.mysdam.net/images/newsletter/files/27370514180.pdfIn PDF document text
- http://kehlux.lu/userfiles/files/nufaponevejovujuguse.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/48950252602.pdfIn PDF document text
- http://www.somdattabasu.com/fckimages/file/vulixit.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613166f8ac3b6---vokapamonabo.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-9-2/20210902104453356329.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/gewifam.pdfIn PDF document text
- http://i-dron.cz/data/file/12069740419.pdfIn PDF document text
- https://prolocolidodisavio.org/ckfinder/userfiles/files/keluvitasijekoredadilele.pdfIn PDF document text
- http://batterseataxi.com/survey/userfiles/files/17784302771.pdfIn PDF document text
- https://bkairconditioner.cloud4demo.com/uploads/files/44262335984.pdfIn PDF document text
- http://thechelseaff.com/user_uploads/files/98029955347.pdfIn PDF document text
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/tidopopuruf.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/tolusifudegu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=procreate+apk+modPDF 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_off0000d5b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B5 | 10356 bytes |
SHA-256: e3362d20c1c6dce84acf5b530ee2dae0bbfe7e10054e2be1f067902fd1e25ba5 |
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font_01_sfnt_off0000ed22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED22 | 18364 bytes |
SHA-256: 0a822296fb66480da2387fcf2f92491cb23903ca6040795272646c8e845d1613 |
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font_02_sfnt_off00011c62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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