MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on disposable domains and appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. The presence of embedded URLs and the heuristic 'PDF_RANDOM_URL_LINK' suggest the document is designed to redirect users to malicious content, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://apskarota.org/userfiles/file/kogimajoj.pdf In PDF document text
- http://silver.jo/ckfinder/blanc/files/modilaboripefuvuv.pdfIn PDF document text
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/37302678299.pdfIn PDF document text
- http://lmleadmanagement.com/userfiles/files/toloxelajatuzufe.pdfIn PDF document text
- https://bdata.vn/upload/files/zirur.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/watigugepidevuzenujigiva.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/97837430086.pdfIn PDF document text
- http://ambulatorioveterinariocigliano.com/userfiles/files/vakuvupujujogipipiladupaz.pdfIn PDF document text
- http://autovoda.ru/upload/files/gifopotadovozerejirupov.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161486ea28c7fe---83120105539.pdfIn PDF document text
- http://congtrinhnhaviet.vn/upload/files/ronuvizupo.pdfIn PDF document text
- http://lagostena.it/userfiles/files/momub.pdfIn PDF document text
- http://esejsc.com/upload/files/16997553871.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/26370762757.pdfIn PDF document text
- https://shopinhome.com/ci/userfiles/files/lavako.pdfIn PDF document text
- http://iknow.pl/files/file/vomopoga.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/13167983421.pdfIn PDF document text
- https://purmoradiatoriai.lt/images/files/winabiterinefoxun.pdfIn PDF document text
- https://www.aillant-sur-tholon.com/ckfinder/userfiles/files/31083022971.pdfIn PDF document text
- http://rspon.pl/images/wyswig_images/file/ponesogotep.pdfIn PDF document text
- http://yey.uw52.com/upload/files/guwine.pdfIn PDF document text
- https://wecareu.net/ckfinder/userfiles/files/78566911319.pdfIn PDF document text
- http://jjsgreatescape.com/uploaded_files/userfiles/files/78474398451.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=structure+of+pitcher+plantPDF 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_off0000ad6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD6E | 15260 bytes |
SHA-256: ca65f4eca6f06f6031ac2e75e17a6dc08f4d778ee5ca9778a18462c8ccb6a064 |
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font_01_sfnt_off0000d3b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3B9 | 10584 bytes |
SHA-256: 401385055a181f6c954a708083a549251073765ef594650057615d522c2057d2 |
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font_02_sfnt_off0000ebd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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