MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to link farms and disposable hosting, suggesting an attempt to distribute malicious content or phish for information. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a deliberate structure for hosting many links. No scripts were extracted, but the overall structure and heuristic firings strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://infrive.ru/uplcv?utm_term=mi+call+recorder+apk+download PDF link annotation
- https://inprovitcentroamerica.com/ckfinder/userfiles/files/fifulaperaxuxubadaf.pdfIn PDF document text
- http://gurmanosypsnys.lt/userfiles/file/jetulutifiwobewavap.pdfIn PDF document text
- http://basse-normandie.annuaire-regional.com/ckfinder/userfiles/files/megesajo.pdfIn PDF document text
- https://xn--80aggmy8c6c.net/UserFiles/File/bubapibogodejidapelerined.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/6319560407.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/eb04df4f79b97391b8eec4e5bd0c536f/75641930835.pdfIn PDF document text
- https://digitaluzaktanegitim.com/calisma2/files/uploads/50503146695.pdfIn PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/92710215522.pdfIn PDF document text
- https://belretail.by/ckfinder/userfiles/files/teziluvoj.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/34863700360.pdfIn PDF document text
- https://ljlconst.com/admin/images/file/58025463394.pdfIn PDF document text
- https://shirbandifelt.com/userfiles/file/64705179771.pdfIn PDF document text
- http://arablift.net/userfiles/file/zetalezubenidumo.pdfIn PDF document text
- http://realestatespoznan.com/uploads/65549960659.pdfIn PDF document text
- http://sanalights.com/admin/admin/uploadfiles/file/58805926340.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/91056358056.pdfIn PDF document text
- http://avvolodin.ru/upload/file/51400427080.pdfIn PDF document text
- http://arrhythmiaclinic.com/userfiles/file/20210909064922.pdfIn PDF document text
- http://isystemlab.com/admin/ckfinder/userfiles/files/79095155985.pdfIn PDF document text
- http://hatdesechia.com/storage/ckfinder/files/18418193814.pdfIn PDF document text
- http://kozszemle.hu/uploads/files/sajujelonodo.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/legozezomujexetafiwer.pdfIn PDF document text
- http://distant-property.ru/fck_editor_files/files/33734904157.pdfIn PDF document text
- http://sicilalluminio.it/userfiles/files/raxaxegozeb.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_off0000b22b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB22B | 15240 bytes |
SHA-256: d3801f340d7fe8754efba9bef0e16842efbd129eaa17981cfce8ff9563ad8447 |
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font_01_sfnt_off0000d880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD880 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f097.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF097 | 10412 bytes |
SHA-256: e0a87f2c74a8c8b5c40cba5f2ac0b03b707a071aaec86c0d8be59e07db1d9fd4 |
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