MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document exhibits malicious characteristics, including numerous external links and a high ML classifier score. The presence of multiple PDF_URI and PDF_RANDOM_URL_LINK heuristics indicates a strong intent to redirect users to potentially harmful content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification, suggesting the document is part of a phishing or trojan distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://oniceh.ru/uplcv?utm_term=rick+and+morty+season+4+episode+9+full+episode PDF link annotation
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee9ee9faf2---63137600473.pdfIn PDF document text
- http://dc-42351dc5a6b3.prshots.es/uploads/userfiles/1630962185/files/32776212658.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16134175017aab---47963994117.pdfIn PDF document text
- https://padservhosting.com/userfiles/file/pagifimufe.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1092725690.pdfIn PDF document text
- http://kpdb.org/userfiles/files/mezasiribesafemagaviki.pdfIn PDF document text
- https://0800-707-808.com/upload/ckfinder_temp/files/20210907194547.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/32470553882.pdfIn PDF document text
- http://adirondackseafood.com/ckfinder/userfiles/files/33750234068.pdfIn PDF document text
- http://electronicaindex.nl/images/uploads/jopenafutusafaxozuxagud.pdfIn PDF document text
- https://ccaquebec.com/userupload/files/binatolevozuselutadusil.pdfIn PDF document text
- http://pure-chiral.com/upload/files/joresiwupojepusarufiw.pdfIn PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/19874557202.pdfIn PDF document text
- http://gaziogluenerji.com/images_upload/files/tanoj.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/xikusurawapotufalifid.pdfIn PDF document text
- http://kxqcgs.com/filespath/files/20210910111040.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/61831424496.pdfIn PDF document text
- https://ambulatorioveterinariosismondi.eu/file/maxujunamojulaxobesitakuw.pdfIn PDF document text
- http://timnhanhonline.com/upload/files/31596252408.pdfIn PDF document text
- http://www.gesas.it/media/mailinglist/file/4763712659.pdfIn PDF document text
- http://nousgarage.com/userfiles/file/77817203935.pdfIn PDF document text
- http://cu-hinothai.com/ckfinder/userfiles/files/wisova.pdfIn PDF document text
- http://khachsansapa.vn/webroot/img/files/73202101709.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/zugalavarawixofovidemo.pdfIn PDF document text
- https://southernwashpros.com/nbloom/fckuploads/file/rifagepadelibimuvevalu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC316 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000db28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB28 | 16992 bytes |
SHA-256: cc8a91e5abc2df1f908d9a835b375e7e177a8a5f1bff7edb992b838990bd08c9 |
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font_02_sfnt_off000106e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E6 | 11380 bytes |
SHA-256: f5f88f769bb7b6dff9cdf87402c0b4c79e1be586a0c6a96340b885e1e1914ba0 |
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