MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting or redirectors, suggesting an attempt to distribute malware or phish for credentials. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links on disposable domains, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://baarspo.ru/strik?utm_term=fichas+de+lectoescritura+para+primer+grado+pdf PDF link annotation
- https://cdn.sqhk.co/pikukafil/2Ewjaje/wirosanefonif.pdfIn PDF document text
- http://dimopun.mywebcommunity.org/89830556959.pdfIn PDF document text
- https://cdn.sqhk.co/purorenutuw/zOhb2ji/jackson_michigan_police_scanner_frequencies.pdfIn PDF document text
- http://selozufuwadapuw.66ghz.com/36625229390.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447640/normal_5fffac69960e0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378848/normal_5fec235b7ca5f.pdfIn PDF document text
- https://cdn.sqhk.co/texirova/rjFgegd/surapepivam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421330/normal_602ad031036d9.pdfIn PDF document text
- https://cdn.sqhk.co/jopubelo/iNpXihy/checkers_restaurant_app.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://duvodix.myartsonline.com/bojodudafujarogunema.pdfIn PDF document text
- http://xudonujedetatik.epizy.com/revune.pdfIn PDF document text
- https://s3.amazonaws.com/jujadodedaruxix/sync_outlook_calendar_with_my_android_phone.pdfIn PDF document text
- https://s3.amazonaws.com/lixisariwulo/castle_of_otranto_film_1977.pdfIn PDF document text
- https://67258aaf-84c5-4a88-bfd2-1aa7ddb6c27a.filesusr.com/ugd/850f07_76ce8955dc4b469cb7469ad847e75aff.pdf?index=trueIn PDF document text
- http://keximidurowu.rf.gd/workbook_worksheet_l_g.pdfIn PDF document text
- https://s3.amazonaws.com/zazelujeju/79276632212.pdfIn PDF document text
- http://repafow.epizy.com/bubble_sheet_reader.pdfIn PDF document text
- https://5053e88e-9e18-4719-890c-32a1cca0295d.filesusr.com/ugd/411503_7e3cf3ce0262414180a952448448700e.pdf?index=trueIn PDF document text
- https://229c0a76-8cd2-4a6d-ad64-a548a1436bbb.filesusr.com/ugd/f9ed01_e1096dcc76404dffb69ecd3ebabcd831.pdf?index=trueIn PDF document text
- https://b913155d-2712-4fd4-bcc6-651970a8c456.filesusr.com/ugd/e39924_c17a4d0ae0d243738265de3f44717564.pdf?index=trueIn PDF document text
- https://e4034479-4ead-418b-af8c-5be8dc72bdbe.filesusr.com/ugd/1e8759_f306e257dfb6453eb3baf3944e03d602.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/juzinaramip/bozitasegojatedigewigivel.pdfIn PDF document text
- http://buwanizun.epizy.com/79522078013.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://scripts.sil.org/OFLIn 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_off0000fa16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA16 | 5524 bytes |
SHA-256: f3b40338540b24d32e2b2453f92427159a33780bd7a4f36efbfb4f71b0a8add0 |
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font_01_sfnt_off00010cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB7 | 13476 bytes |
SHA-256: f959f3201b71d2ef2c285046d0f955ce9a8bfdc712afa171d33ed3001ee97004 |
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font_02_sfnt_off00013711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13711 | 17260 bytes |
SHA-256: 47f3a770fd8e7943a8776212f1d169aacc47f76ffeea1cc8e6c134f4beedcf33 |
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