MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed for SEO manipulation or phishing. The primary malicious URL identified is 'https://midufefew.ru/strik?utm_term=stages+of+development+18-24+months', which is likely used to redirect users to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://midufefew.ru/strik?utm_term=stages+of+development+18-24+months PDF link annotation
- http://kagivok.iblogger.org/definiciones_de_arte.pdfIn PDF document text
- http://wuvagawok.22web.org/yamaha_mg82cx_setup.pdfIn PDF document text
- https://vopasigujar.weebly.com/uploads/1/3/0/8/130813381/30e6297b8.pdfIn PDF document text
- http://wagoxakedal.iblogger.org/54472816845.pdfIn PDF document text
- http://zovibunuxesemer.iblogger.org/attestation_de_formation_en_informatique.pdfIn PDF document text
- https://molawakipo.weebly.com/uploads/1/3/1/3/131379716/roditena.pdfIn PDF document text
- https://numevajuga.weebly.com/uploads/1/3/0/9/130969633/2754280.pdfIn PDF document text
- https://nezododirexu.weebly.com/uploads/1/3/0/8/130813510/nolujidenixeduvano.pdfIn PDF document text
- https://widalafamibag.weebly.com/uploads/1/3/0/8/130814492/9209439.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/aa815fa1-b0da-4be8-91df-b02b4143d853/51999365633.pdfIn PDF document text
- https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_a558a871a57f47b8a4146cf33ef9fd45.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bepukuba/nanunapu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59e4dac2-3b68-4796-9002-ae4a80dcadc1/37316265330.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cbaea786-b30d-4377-ac88-e91b7d855a89/stihl_hedge_trimmer_attachment_for_strimmer.pdfIn PDF document text
- https://2a4065d7-883d-43e8-a524-7ce9aa4b4e88.filesusr.com/ugd/ccb1c6_c02de086b2f34dd1897aa8a28aa63230.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8e2b89d9-c3b8-4af6-8bff-e9b026d32ba9/lajovomexif.pdfIn PDF document text
- https://s3.amazonaws.com/rurosaveruk/vivari.pdfIn PDF document text
- https://29ca30ec-7ad4-487f-8637-d2d67f3a323c.filesusr.com/ugd/10b11f_f0af244722b84daba228c4694d04fc04.pdf?index=trueIn PDF document text
- http://fusarafabar.epizy.com/strategy_execution_plan_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4cdf1044-2068-452e-b46f-8ed89e17bca2/par_q_and_you_2019.pdfIn PDF document text
- https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_5d7f16308120416d9978a05db6d5b691.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bezorito/global_competitiveness_report_2017_vietnam.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB59 | 6020 bytes |
SHA-256: 21347634ee254eab1dc9774e05c6e73a1adf85d1f039f6e002be2b39fff4b4af |
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font_01_sfnt_off00010fd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD8 | 10576 bytes |
SHA-256: 7ff09febaeb7ef8677571ef279ba58da6af96d9a76e82683734a15c6d676c1b0 |
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