MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, suggesting the PDF is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://pistant.ru/uplcv?utm_term=extra+lives+apk+download PDF link annotation
- http://kssi.ir/public/userfiles/file/teguzebutizutitev.pdfIn PDF document text
- https://svetplus.com/userfiles/files/52589689207.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/dedumopalinavo.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/65617998527.pdfIn PDF document text
- http://bora.su/ckfinder/userfiles/files/17941823496.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/papegidadexezasa.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/fovebokogilufupaponesula.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/5596361215.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/gumepatemuvetujowep.pdfIn PDF document text
- http://uptownherndon.com/uploads/files/36832522261.pdfIn PDF document text
- https://economiadecomunion.com/ckfinder/userfiles/files/8525255767.pdfIn PDF document text
- https://jewfri.kr/files/image/files/mototebiripemunivi.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/demazexaxoz.pdfIn PDF document text
- http://erpos.sk/data/files/ruxenuneruso.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614408b4cac9f---2843273609.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614c8e2aa999d---jefonipijozufaxerexeluto.pdfIn PDF document text
- http://spain-ex.com/images/blog/file/50027247345.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/jisiligisutitivavizo.pdfIn PDF document text
- https://internationallanguagenavigators.com/media/xafemopujige.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/tuwinasixegefirenelekip.pdfIn PDF document text
- http://abwingstop.com/uploads/files/36988286335.pdfIn PDF document text
- http://th-hl.com///upload/files/87895107170.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/xenogadotidupamakew.pdfIn PDF document text
- https://korankertas.com/contents/files/43526983864.pdfIn PDF document text
- http://s292376414.onlinehome.fr/datas/imgmail/file/73641963640.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_off0000b1f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F9 | 10716 bytes |
SHA-256: 8dbd5199be4237a5b6d473a2b227be67302112f4902fa424fc597380e577180a |
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font_01_sfnt_off0000cabc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCABC | 16284 bytes |
SHA-256: ac7888556cb5529c9047a012c3a7ed6ba9593b36d3b891f238cbf9c1fadbae34 |
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font_02_sfnt_off0000f3b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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