MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious, with heuristics indicating it's a link farm and uses a password-protected archive lure. The embedded URLs suggest a phishing or malware distribution attempt, likely involving a second-stage download. No scripts were extracted, but the PDF structure itself is indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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 http://kuppersbusch.hu/userfiles/files/85580572804.pdf In PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/vadafupebofer.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/63857815864.pdfIn PDF document text
- https://glozor.com/userfiles/file/78680076784.pdfIn PDF document text
- https://heyratacademy.ir/file/jukabamejoletewuvefesevu.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/nerevakokowaju.pdfIn PDF document text
- http://kfnmsz.com/upfolder/e/files/20210906143642.pdfIn PDF document text
- https://pragatitic.org/ckfinder/userfiles/files/7905780398.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/xemonusolanewebidamoran.pdfIn PDF document text
- https://jaurrieta.net/USERFILES_JAURRIETA/files/83922747002.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/jimakuwatudaved.pdfIn PDF document text
- http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19163345231.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/telilabupekomanuf.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/paguviwuvezazotulifi.pdfIn PDF document text
- https://westhygiene.hu/editor_up/digipudafosikepizojawil.pdfIn PDF document text
- https://luxurybaths.marblobaths.ph/app/webroot/img/files/55781553767.pdfIn PDF document text
- http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/tumigoxixejoneserisuvifi.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f994b2f304---bikatanitobabena.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/dedadodogotos.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/61909141664.pdfIn PDF document text
- http://thayloilocnuoctaihanoi.net/upload/files/19263390356.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/7764474524.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/vagarisijefonefebeto.pdfIn PDF document text
- https://hotelpancharatna.com/assets/userfiles/files/paramelaminavifavuzez.pdfIn PDF document text
- https://advik.net/userfiles/file/zimawof.pdfIn PDF document text
- http://nhatrangpalace.vn/app/webroot/upload/files/vigusisegaxit.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=d%26d+3.5+book+of+challenges+pdfPDF 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_off0000c691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC691 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA7 | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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font_02_sfnt_off0000f148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF148 | 17820 bytes |
SHA-256: f75e0b26e25e9f8415b0897bd18321ad807b5b5582a63a5067d1aadf595d5bd1 |
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