MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm. The document body is heavily obfuscated, but the presence of multiple external URIs and the link farm heuristic suggest a phishing or SEO manipulation attempt. No scripts were extracted, but the PDF structure itself is indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/161463037a9d2e---mozotamara.pdf In PDF document text
- http://pension-erlkoenig.de/img/editor/file/togudabexuzu.pdfIn PDF document text
- http://molenat-energies.fr/molenat.com/images/editor/file/42932645286.pdfIn PDF document text
- https://sieuthimayphat.com/ckfinder/userfiles/files/vovijopudukoximevonit.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/81528044030.pdfIn PDF document text
- http://delta-serwis.pl/pliki/zagenabojuwuziwafi.pdfIn PDF document text
- https://bi-kiesabbau.de/cmsimple/images/file/37468986135.pdfIn PDF document text
- http://anton-joyeros.shopcloud.es/ckfinder/userfiles/files/77252725531.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161391b04836fc---derapo.pdfIn PDF document text
- http://inarchengineering.it/userfiles/files/jawatefoselikotuvunoso.pdfIn PDF document text
- http://nhatnguyen.vn/media/ftp/file/bekoxino.pdfIn PDF document text
- http://kolbiko.com/images/uploads/file/83007136168.pdfIn PDF document text
- https://kabelkyaobuv.sk/editor_uploads/files/temoxazuvonefezipigevob.pdfIn PDF document text
- http://yds-wcv.jp/free_images/files/75228236733.pdfIn PDF document text
- https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/79473839834.pdfIn PDF document text
- http://cuacongtudongbinhduong.com/upload/files/mavitigitaneniwuwidigakog.pdfIn PDF document text
- https://bloomeng.com/uploads/70311682882.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/sadunegudafo.pdfIn PDF document text
- https://pametnidom.hr/pametne_kuce/userfiles/file/51674356794.pdfIn PDF document text
- https://bevillelecomte.ovh/ckfinder/userfiles/files/rexogoveruvavoworivulevef.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/junod.pdfIn PDF document text
- http://snuhonors.com/userfiles/file/varuxorijojinejafov.pdfIn PDF document text
- http://daegyung.kr/userfiles/file/20210917213104.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/pilexeja.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/lumujogadavakewixozalufob.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=top+10+call+recorder+apps+for+androidPDF 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_off0000dfc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC7 | 17064 bytes |
SHA-256: f112fabddf20d13665c306db05138451c9b1b6194cce73d33148a5d8333a571b |
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font_01_sfnt_off00010bec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12403 | 10652 bytes |
SHA-256: dcda4dda25e00484f17629605f3a4f3ed9976d3d6b100b0da753f771b616d192 |
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