MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of external links, many pointing to unknown domains, suggesting a phishing or spamming campaign. ClamAV detection further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f1833001d---vajujoranubanuxas.pdf In PDF document text
- http://shrlie.com/upload_fck/file/2021-9-7/20210907084915363229.pdfIn PDF document text
- https://bfull.ru/uploads/files/14193448450.pdfIn PDF document text
- http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/56635160467.pdfIn PDF document text
- https://dom4m.de/userfiles/files/zerowutajir.pdfIn PDF document text
- https://ikorti-iao.com/userfiles/files/84442565367.pdfIn PDF document text
- http://yjbiotech.cn/upload/files/31511842720.pdfIn PDF document text
- http://bawaconstructions.com/editorData/file/vexofex.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/wuwasuwoga.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16130fd8eb5f9f---39663374278.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/rejiwisiworiguradidofu.pdfIn PDF document text
- https://bodymason.com/user_uploads/files/gevotazofamudovavagutar.pdfIn PDF document text
- https://gazeta-msp.pl/user_files/File/newinipekupelulena.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/famabu.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/dulunawuwepugazalorav.pdfIn PDF document text
- http://nj-rshb.com/v15/Upload/file/202195158214931.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/jebuw.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/putepotugewefiva.pdfIn PDF document text
- http://pnalog.ru/images/file/xujur.pdfIn PDF document text
- http://labuchedeberce.fr/userfiles/file/92787962104.pdfIn PDF document text
- http://www.mousumibanerjee.com/fckimages/file/jatiro.pdfIn PDF document text
- http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/39283658789.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/50031804672.pdfIn PDF document text
- https://kemxoi.vn/app/webroot/files/images/pages/files/taretujekufedatujede.pdfIn PDF document text
- https://aep-tc.com/cache/fck_files/file/41602343618.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=linking+words+research+paperPDF 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_off0000e436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE436 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC48 | 16860 bytes |
SHA-256: 54be981b046bb4ed89b79f0713f496697c588a0a02e61e3378c1d1e3ad6236f8 |
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font_02_sfnt_off00012859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12859 | 10784 bytes |
SHA-256: b6489d444f07d09cf2b86a97da90ca69dfc877252d0199ab2d93651be78bc348 |
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