MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs, many of which point to disposable hosting, suggesting a link farm or phishing lure. The presence of a 'download button' heuristic further supports the attack pattern of tricking users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://jumiwimov.ru/award?keyword=pdf+annotator+benzeri+program PDF link annotation
- http://xaxikobovivo.22web.org/machine_learning_with_python_coursera_answers.pdfIn PDF document text
- http://tozisitufa.22web.org/pirenebotumujomolajip.pdfIn PDF document text
- https://mofivekirupu.weebly.com/uploads/1/3/2/7/132740685/bewonokafezare.pdfIn PDF document text
- http://catsism.com/kuzujivofuzubulavuasljv.pdfIn PDF document text
- https://borubuzas.weebly.com/uploads/1/3/4/0/134042729/kasewuw-jefibabuto-gunox.pdfIn PDF document text
- https://rikelakejif.weebly.com/uploads/1/3/4/8/134885243/32cc672e5.pdfIn PDF document text
- http://quickstore.pro/mountain_bike_tyres_for_sale_kenyaw5h5n.pdfIn PDF document text
- http://davegopodowog.iblogger.org/sinteze_istorie_academia_de_politie.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kuzotekekejepun.rf.gd/buwobanukumigi.pdfIn PDF document text
- http://pomezup.epizy.com/avoir_etre_exercices.pdfIn PDF document text
- https://s3.amazonaws.com/rodigapigeta/lasuwevomebabar.pdfIn PDF document text
- https://s3.amazonaws.com/rujimidujek/domasitawuluvakagujovitir.pdfIn PDF document text
- http://koxaxegeselaxo.rf.gd/sijigexefizusor.pdfIn PDF document text
- http://deravamosu.rf.gd/81471795988.pdfIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/excel_compatible_spreadsheet_for_android.pdfIn PDF document text
- http://kirotomi.epizy.com/form_for_lost_passport.pdfIn PDF document text
- http://vatezajis.rf.gd/vozomulivewi.pdfIn PDF document text
- http://xewenometan.epizy.com/89574000746.pdfIn PDF document text
- http://pibusobi.epizy.com/agenda_diaria_2020_para_imprimir.pdfIn PDF document text
- http://laletanegimiw.epizy.com/zafas.pdfIn PDF document text
- http://poxizaxo.epizy.com/manualidades_para_navidad_nios_de_primaria.pdfIn PDF document text
- http://zagawajali.epizy.com/door_access_control_system_design.pdfIn PDF document text
- https://s3.amazonaws.com/wudibirewuduto/25786823129.pdfIn PDF document text
- https://s3.amazonaws.com/mokixetat/how_tall_is_dale_earnhardt_jr.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f91f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91F | 2912 bytes |
SHA-256: add48b004ae9e0f775ee9c3900c1e55652a45e2f3f86ca2d1a3c9c8624cf1484 |
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font_01_sfnt_off00010385.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10385 | 5340 bytes |
SHA-256: 1bc46cdeee58b3c045b3642e6280088760bf48b656790769327bbc591b69d3c1 |
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font_02_sfnt_off000115a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115A6 | 11536 bytes |
SHA-256: 9e27e43bde3c29bc5e86ad2089a11914b1b35f6ed0b7efcee3f115497f5d7d2b |
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