MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to other PDF files, indicating it functions as a link farm designed to redirect users to potentially harmful content. The presence of external URIs and the link farm heuristic strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://gymostrov.org/gymostrov/userfiles/file/pevosis.pdf In PDF document text
- http://igabana.com/upfolder/e/files/20210917232238.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/25639911249.pdfIn PDF document text
- http://swatimishra.in/uploaded_files/userfiles/files/muzoxevepadagebutukite.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/68534623356.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/kazateziz.pdfIn PDF document text
- https://holycrosshealthcare.com/userfiles/files/ziguxoniwasifesas.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/13015992422.pdfIn PDF document text
- https://guanlai.tw/uploads/files/202109192313482610.pdfIn PDF document text
- http://vigova.com/Images_upload/files/13634286807.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/892963eb12a4f90de40bbf40b1c71222/90724308021.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/60c69cadadf20724301c198103bbfc5e/9676379180.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/95869434819.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/likumebokefasap.pdfIn PDF document text
- http://obuchenie.bititechnika.com/img/file/37491352731.pdfIn PDF document text
- http://archbot.pl/files/file/tevuvatubow.pdfIn PDF document text
- http://exhibitionchannel.com/upload/57536624913.pdfIn PDF document text
- http://electrogalicia.com/electrogalicia/recursos/archivos/89496559792.pdfIn PDF document text
- http://esistore.com/userfiles/file/xizorafex.pdfIn PDF document text
- https://playindiano1.in/ckfinder/userfiles/files/17929308336.pdfIn PDF document text
- http://huabulaw.com/uploadpic/2021-9/file/2021090105060373499.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/21788832521.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/loxudidatisotanuxetaxali.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/BcFPVxLj4jw/uplcv?utm_term=not+opposed+meaningPDF 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_off0000d7de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7DE | 10568 bytes |
SHA-256: 34744c726b0d6f91a347bfaf20d8323be9dbdf33dff7dc2a439bef9dc39d8e9f |
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font_01_sfnt_off0000efc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC3 | 21932 bytes |
SHA-256: 756e0423e9d1865d5790e0ff6b3cafc34f28c588a3bfb1780ff85ea31073eaad |
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font_02_sfnt_off0001292f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1292F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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