MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, with heuristics indicating it functions as a link farm. Multiple external URLs are embedded, suggesting an attempt to redirect users to malicious sites for phishing or malware delivery. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically points to a link farm on disposable hosting, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://zeguvietnam.com/uploads/ckfinder/files/bebezilobidozow.pdf In PDF document text
- https://mallarpurnaisuva.org/go/file/33108515806.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/gokag.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/budedo.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/83309761768.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/saniwime.pdfIn PDF document text
- http://nbnjl.com/userfiles/files/dolixuzagokavuju.pdfIn PDF document text
- https://superlitefan.com/uploads/files/gozonuxozimotugokutewo.pdfIn PDF document text
- https://ms01bet.net/contents/files/99532701675.pdfIn PDF document text
- https://oncallanatomist.org/ckfinder/userfiles/files/62626851141.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/fb72e5c0d4ed48abfad72877f6b8af5e/bagoj.pdfIn PDF document text
- https://dzido.pl/userfiles/file/sobujijeda.pdfIn PDF document text
- http://huh.hu/UserFiles/File/94135147615.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/90296564552.pdfIn PDF document text
- https://svltv.in/userfiles/files/12614317353.pdfIn PDF document text
- http://geose.ru/userfiles/file/52938919414.pdfIn PDF document text
- http://jatechkj.pl/upload/fck/file/kumujolo.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/mujotikikutifurize.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/66614124160.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/feninezadilizanexisa.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/50ebc3c60f010a936e4de48ead265bf3/85810092664.pdfIn PDF document text
- http://chongthamnguoc.vn/img/files/45774019458.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=i+am+thankful+for+all+the+blessings+in+my+lifePDF 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_off0000c4b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B6 | 18048 bytes |
SHA-256: 49ea6a2a9ad8250f4ed0a4b1a4b197c3b377d29b86ecb8c72bf4d29cd8efb667 |
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font_01_sfnt_off0000f37e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF37E | 11060 bytes |
SHA-256: 80f1d2ebfe03415e612c2f552417060811de953035681ed6a37deeac058fc5dc |
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font_02_sfnt_off00010d10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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