MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded URLs that redirect to a domain associated with phishing and link farming. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into visiting a compromised site. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create documents that mimic legitimate web content.
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://gimoguvi.ru/award?keyword=chemistry+nobel+prize+2020+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4382952/normal_5fd2889a1bdee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383170/normal_602574eff32e9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424683/normal_5feb888edaf0a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409123/normal_6037444fd3ed6.pdfIn PDF document text
- http://wotasabe.22web.org/xefebokenuzavutuj.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4373271/normal_5fc9b1b0e8248.pdfIn PDF document text
- https://felavutiz.weebly.com/uploads/1/3/1/1/131164211/da4b04.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415964/normal_604fc81b18e38.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378605/normal_5fdd9224f3c75.pdfIn PDF document text
- https://sawuwirepugasup.weebly.com/uploads/1/3/0/9/130969548/semitudat-maxuxumu.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/a0e8aac8-ceae-468e-900a-b1fcb6e44976/4620073447.pdfIn PDF document text
- https://s3.amazonaws.com/rirusozo/impossible_quiz_question_79_answer_unblocked.pdfIn PDF document text
- http://kinefinukabel.epizy.com/chiranjeevi_songs_list.pdfIn PDF document text
- https://s3.amazonaws.com/gogonof/mividalirif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c986ee2e-7d06-49be-9bfe-ba76bba6dc11/encyclopedia_of_candlestick_charts.pdfIn PDF document text
- http://memoleroxaden.rf.gd/sixevuwolojojup.pdfIn PDF document text
- https://s3.amazonaws.com/gotenukevepunin/volizekejujub.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08cfb5f7-59a6-4d4f-b6cb-b104863be717/kibagolubozelifi.pdfIn PDF document text
- http://ramejepazino.rf.gd/dizubixoru.pdfIn PDF document text
- https://s3.amazonaws.com/nuruvapozixix/pizivasiboxuru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e4ad1fb-2ad0-48cb-be7d-41bb0eb21aa6/2599254228.pdfIn PDF document text
- http://vurosija.epizy.com/ernest_holmes_quotes.pdfIn PDF document text
- https://s3.amazonaws.com/tutasujal/9030429645.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_off00017c84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C84 | 5544 bytes |
SHA-256: 9873eaa0d76b55876b4b0550a177d0450907a95c696e011a0a760ca8083c42e0 |
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font_01_sfnt_off00018f3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18F3F | 12912 bytes |
SHA-256: 230d75f7d31a37ea1af6dd36251e0cac3b4a32b37390d4abcca33a3829ca62fa |
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font_02_sfnt_off0001b8a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B8A0 | 16084 bytes |
SHA-256: 192e1cf8743c95d644f41697cb32af4f2bd92b7888e96aef7f61385a8dcfe722 |
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