MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs pointing to various domains and an IP address, indicating a link farm or redirection mechanism. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The presence of multiple PDF_URI heuristics and the ML_NYX_PDF_MALICIOUS firing confirm the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://irlanc.ru/uplcv?utm_term=mission+games+apk PDF link annotation
- http://kaushalacademy.org/ckfinder/userfiles/files/dobexudiwokawa.pdfIn PDF document text
- http://kosmonautika.ee/ckfinder/userfiles/files/nebetudakak.pdfIn PDF document text
- http://sinojjacob.com/userfiles/file/64941378941.pdfIn PDF document text
- http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/pefimip.pdfIn PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/likig.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/koxijinisi.pdfIn PDF document text
- https://nstyapi.com/resimler/files/wopepewif.pdfIn PDF document text
- https://linardi.ru/files/file/28330891850.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16148c98112438---97776001896.pdfPDF link annotation
- http://galluccifaibano.it/userfiles/file/jetoda.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16143ecbb547a5---kilekowesoxubatelejigu.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/94201441311.pdfIn PDF document text
- http://exima.kr/userData/board/file/kawonimabirusufometa.pdfIn PDF document text
- http://bukharageorgia.com/sites/default/files/file/89120538029.pdfIn PDF document text
- http://forter.vn/hinhanh/file/75033394291.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/tuvenopavetobinovofub.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/78793232360.pdfIn PDF document text
- https://holycrosshealthcare.com/userfiles/files/51529616891.pdfIn PDF document text
- http://divelife.kz/files/file/67872664285.pdfIn PDF document text
- https://hobbes-group.com/upload/files/rupiv.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/ratuxirunoloxum.pdfIn PDF document text
- http://sportschoolindex.nl/images/uploads/pakawa.pdfIn PDF document text
- http://quaint-house.com/images/blog/file/93062104547.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_off0000bb4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB4B | 16812 bytes |
SHA-256: 80dbf653e5cdf8f6a7351fd2dd2f673b967b1424c00390822783bf28db5f879b |
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font_01_sfnt_off0000e64b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE64B | 10436 bytes |
SHA-256: 707e4a019313c870b05ffc74188af0dc57d50e20d8b2758bd1a3f6610eaf316d |
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font_02_sfnt_off0000fdf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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