MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. The heuristics indicate it functions as a link farm, directing users to various PDF files hosted on potentially disposable domains, with one URL explicitly mentioning 'flash app download apk'. Although no scripts were directly extracted, the PDF structure and the nature of the URLs suggest an attempt to trick users into downloading malicious applications, likely via embedded JavaScript or other exploit mechanisms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 5
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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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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://biocoop.legreniervert.fr/ckfinder/userfiles/files/nisibutojijivitiko.pdf In PDF document text
- https://shen-su.eu/gfx/userfiles/files/bukobugujoneluvejiz.pdfIn PDF document text
- https://darkoyunpin.com/calisma2/files/uploads/kogozaletetunikagojis.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613187d0407e0---nafipurokofugenit.pdfIn PDF document text
- https://dotcomtravelegypt.com/userfiles/files/60163214733.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130cd85d0f55---sojire.pdfIn PDF document text
- https://nk-sostanj.si/files/file/75760343321.pdfIn PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/rakugimirutonuf.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/74779731665.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/toxoxakimi.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/23209587348.pdfIn PDF document text
- https://natatourism.com/userfiles/files/8785985657.pdfIn PDF document text
- https://karlschool.org/uploads/files/202109130708282435.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/zulorufiguzi.pdfIn PDF document text
- http://sdds.be/userfiles/file/xanakojofarijijon.pdfIn PDF document text
- http://bio86.fr/userfiles/fichiers/jenoxezemajalaxoname.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/80365123340.pdfIn PDF document text
- http://sdds.be/userfiles/file/nizeferomelabiribupus.pdfIn PDF document text
- https://nsck-cykelmotion.dk/userfiles/file/vojovirujurolubugikifibe.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/boxatiwokepijolunopuradol.pdfIn PDF document text
- http://imhang.com/fckeditor/userfiles/image/23306558198.pdfIn PDF document text
- https://igraonica.me/userfiles/file/83507768779.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/balek.pdfIn PDF document text
- https://mp2020.csysadmin.com/ckfinder/userfiles/files/zumitulikiputirogamiv.pdfIn PDF document text
- https://nhaccugiare24h.com/uploads/userfiles/file/89014076270.pdfIn PDF document text
- http://modernplating.com/userfiles/file/xiletevuvudu.pdfIn PDF document text
- http://hotelbasantresidency.com/uploads/93382587802.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/pupomipibukoxaduzeser.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=flash+app+download+apkPDF 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_off0000e0cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0CB | 18228 bytes |
SHA-256: ec4fc2592a5ce35b638b7c7792973e10fc14564600e74702f8664daed524dc03 |
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font_01_sfnt_off00010ff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012807.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12807 | 10220 bytes |
SHA-256: d54be0ce93895175a205aacd6f070d2b51ee9f5f93d562f7a3e87be36846d110 |
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