MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document is designed to trick users into downloading a password-protected archive, a common tactic to bypass security filters. The presence of numerous embedded URLs, many pointing to PDF files on various domains, supports the 'PDF_SEO_DISPOSABLE_LINK_FARM' finding, indicating a potential phishing or malware distribution scheme. No scripts were extracted, but the overall structure and heuristics point to a phishing or downloader attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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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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://shriramsteels.in/public/ckfinder/userfiles/files/6300193112.pdf In PDF document text
- http://insureavisitor.com/userfiles/file/miravobilonovatojev.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144453ab8622---6754262660.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161451768c0576---bizapu.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/36210593227.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/75262931527.pdfIn PDF document text
- http://synhbio.com/upload/files/jisetozowosoluzowevanefo.pdfIn PDF document text
- http://moristas.com/userfiles/files/gakud.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/nedulifuwaz.pdfIn PDF document text
- http://2222.netsociality.com/upload/files/bawefa.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/13297660489.pdfIn PDF document text
- https://bacninhonline.com/webroot/img/files/31770861570.pdfIn PDF document text
- http://muszempilla.com/files/file/9571481992.pdfIn PDF document text
- https://ms02bet.com/contents/files/31045714489.pdfIn PDF document text
- https://chiuman-hk.com/images/file/73794294785.pdfIn PDF document text
- https://suacuasathcm.com/uploads/files/60896431830.pdfIn PDF document text
- http://vwtint.com/userData/board/file/lipojefog.pdfIn PDF document text
- https://migger.dk/userimages/file/28997991278.pdfIn PDF document text
- http://hockjoohin.com/admin/uploads/file/9178156370.pdfIn PDF document text
- https://sd-olimp.hr/files/sefaxuxuxuxusafobavi.pdfIn PDF document text
- https://zhongzing.com/uploads/files/202109200046286811.pdfIn PDF document text
- http://sibzakon.ru/ckfinder/userfiles/files/zotix.pdfIn PDF document text
- http://wedooverseas.com/userfiles/file/88605766675.pdfIn PDF document text
- http://dvarenda.ru/upload/file/nokazinojowizetezumuna.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+fully+encrypt+androidPDF link annotation
- 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_off0000ea48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA48 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001025f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025F | 10736 bytes |
SHA-256: c09dca30ef03c7640639f99529841a370bdee2a538245ef80e6c69b4421b014e |
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font_02_sfnt_off00011b2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B2C | 18144 bytes |
SHA-256: da7a54b8e639c5dec363153cda914989318c13f55241d70e16a500a1153367bc |
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