MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to PDF files on various domains, suggests a link farm designed to distribute malicious content or conduct phishing. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a tactic to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://innotek.vn/uploads/news_file/beganu.pdf In PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/37579692948.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/52059434491.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/vufiv.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/gidegoxebolagodudoreno.pdfIn PDF document text
- http://capesociety.ca/uploads/files/runegitege.pdfIn PDF document text
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210901171723.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/613c3a146717c8b8c63b7984c2cb5573/xezomibonevemus.pdfIn PDF document text
- http://dh-cell.com/ckfinder/userfiles/files/12744961.pdfIn PDF document text
- http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/zilunaxap.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/puxotafixamojurazubumi.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/59205619753.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/o2j6c75bf2npsn3fmrivhant43/39484525693.pdfIn PDF document text
- http://lezeckastenakosice.sk/upload/files/63578187893.pdfIn PDF document text
- http://wsm.hk/images/files/72748798251.pdfIn PDF document text
- https://alpasol.e-giant.net/upload/files/71042299616.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5597ce8ff---rebaxadu.pdfIn PDF document text
- http://uralcomservis.ru/crn_fls/crn_files/39433926563.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/20899983684.pdfIn PDF document text
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/6718563290.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/41538277254.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/lasonefanivuzozixe.pdfIn PDF document text
- http://3e-machinery.ru/app/webroot/filesfiles/zuvepeguzepobamaladifonib.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=download+fifty+shades+darker+full+movie+2017PDF 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_off0000c267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC267 | 11420 bytes |
SHA-256: 0390011165080474a45eeec7c11ff7f2a6b63a012c5deec8337ff8059ecfc086 |
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font_01_sfnt_off0000dd60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD60 | 16920 bytes |
SHA-256: 60f6e97f99c21934d65239ed7f6475235590a0af3d035b8a1356ba217572d0a1 |
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font_02_sfnt_off000108ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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