MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to other PDF files hosted on a variety of domains, some of which appear to be disposable. This behavior is characteristic of a link farm used for phishing or distributing further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://huntic.ru/uplcv?utm_term=what+degree+of+latitude+is+the+tropic+of+cancer PDF link annotation
- http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/37047833976.pdfIn PDF document text
- https://reha.bg/content/upload/file/68974887981.pdfIn PDF document text
- http://studiomedicoveterinariobellucci.eu/userfiles/files/30483597590.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/73685573670.pdfIn PDF document text
- http://plenerowe.kbo.pl/ckfinder/userfiles/files/25631336602.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/takabepokalebeletofimova.pdfIn PDF document text
- https://cinemaparadiso.site/uploads/files/wukaduzer.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/81354371733.pdfIn PDF document text
- http://trieuduong.com/images/Download/kowivate.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/27554148017.pdfIn PDF document text
- http://fslawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82014243971.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/99696046907.pdfIn PDF document text
- http://www.yankey.com.tw/demo/public/editor/ckfinder/upload/user_upload/files/fawapenogobolobu.pdfIn PDF document text
- https://tmtteks.com/files/22507299385.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/2b8349a0ec79a0ebee032ac988ed4fca/vodinawexegejevezere.pdfIn PDF document text
- https://nasikampung.info/contents/files/98226566471.pdfIn PDF document text
- http://easy-sleep24.de/shop/images/editorfiles/file/32407006886.pdfIn PDF document text
- http://handinks.com/ckfinder/images_store/files/82911805464.pdfIn PDF document text
- https://expobar.vn/app/webroot/files/images/pages/files/vovevaxebez.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/76e902f9621f5d7199b905ab1cc7a8a5/kiwiwijezitekitelasix.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1631949727.pdfIn PDF document text
- https://www.campacinter.com/image/upload/File/xarufazazuwilat.pdfIn PDF document text
- http://chiron-ventures.com/chiron/home/img/upload/files/21090516591582304866xkj.pdfIn PDF document text
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10470 | 16244 bytes |
SHA-256: fddcbe21bdf9fb2753729b4ab5b26d7a3fbb01e3fe51d41ab0725360e25c189d |
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font_02_sfnt_off00011a5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A5A | 21020 bytes |
SHA-256: 9a209bdd412fe782b58a4495c38c96b4b9a17109063fdedb66b2359b1a388781 |
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font_03_sfnt_off000150b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150B2 | 10992 bytes |
SHA-256: 32d5e72871143ce91dbc80afe5e338a5409a41234d7c5268c79325495efc1326 |
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