MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document exhibits social engineering tactics, including a 'ClickFix' lure instructing the user to run a command and a 'Password-protected archive' lure, commonly used to bypass security scans. The embedded JavaScript and numerous external URLs suggest an attempt to download and execute a second-stage payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://queure.ru/uplcv?utm_term=how+to+clean+temp+files+in+android+phone PDF link annotation
- https://uudanbury.life/files/file/nuvegitepaxofene.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/80779555129.pdfIn PDF document text
- http://grimastone.ru/files/77177338092.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/2585d5120c9b4939aa50a46de3226748/80065832589.pdfIn PDF document text
- https://spcinternational.in/ckfinder/userfiles/files/72096778865.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/40277260216.pdfIn PDF document text
- https://dcicz.org/userfiles/file/figadebekuziribugonuti.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/77170884983.pdfIn PDF document text
- http://zespolbahamas.pl/zdjecia/file/70885047335.pdfIn PDF document text
- http://pibar.tw/uploads/files/202109120721246288.pdfIn PDF document text
- http://live-lessons.net/lcj/web/uploads/assets/file/10634639317.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/saseludifudigaregevix.pdfIn PDF document text
- http://www.ekoforte.com/upload/file/6872894390.pdfIn PDF document text
- http://erpos.sk/data/files/domiregivudif.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16139f2127cd53---90272082511.pdfIn PDF document text
- http://vinmexindia.com/uploads/dupamikegi.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/dijunitegatevesoma.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/87955386360.pdfIn PDF document text
- http://pampa.be/uploads/userfiles/files/dopidozodutanijokoxiwefar.pdfIn PDF document text
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/jafawisuvamatul.pdfIn PDF document text
- http://bumsnab.ru/uploads/files/76566145454.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/98631411231.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/bed1eb3724605a1c3cc85c1ab9de251b/3640493802.pdfIn PDF document text
- http://mediasingrid.com/js/new/fckeditor/userfiles/file/83440151977.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_off0000e18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18B | 10960 bytes |
SHA-256: 037e7046db5890af2c50cfbb74b91860b7aef516f0784683f91f9ddb74ef2401 |
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font_01_sfnt_off0000fabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112CF | 19268 bytes |
SHA-256: b33ea5f8c72686cb9efaf9847b969eefa80cd5bf867157784eea207430aae490 |
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