MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting, suggesting a link farm designed to obscure the true destination. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. ClamAV detection and ML classification confirm its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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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 http://wedooverseas.com/userfiles/file/83163317358.pdf In PDF document text
- https://superchills.com/userfiles/file/77664036109.pdfIn PDF document text
- https://vipbeachhouse.com/uploads/editor/file/76268601768.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/fugibiwulufizuzikelubabu.pdfIn PDF document text
- http://pelejas.com/IMAGENS/CKFINDER/files/mivexuwe.pdfIn PDF document text
- http://jyjjapan.jp/files/ckeditor/files/buzal.pdfIn PDF document text
- http://chongros.com/userData/board/file/57391646509.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/32810935347.pdfIn PDF document text
- https://avukat.dnsaktif.net/upload/files/xamavure.pdfIn PDF document text
- http://alhambra.kopanramen.com/uploads/files/kuvalisezepafi.pdfIn PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/sokemazujozonoxem.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/buluxatawok.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/48219059624.pdfIn PDF document text
- http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210917_074948.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133614f8244a---pukowewodisevaj.pdfIn PDF document text
- http://monthclean.com/uploads/files/202109060603503778.pdfIn PDF document text
- http://fgsconsulta.com.br/ckfinder/uploads/userfiles/files/ruxogu.pdfIn PDF document text
- http://chothuexehochiminh.com/userfiles/file/loxosekopufovameguduv.pdfIn PDF document text
- http://teewer.mn/ckfinder/userfiles/files/serojiburazeseki.pdfIn PDF document text
- http://artc-polymers.com/upload/images/files/bemuripumawiwudapiraju.pdfIn PDF document text
- http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/3453148576.pdfIn PDF document text
- https://wotfiles.com/ckfinder/userfiles/files/84358726888.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/rowubiruzivoxokaravipej.pdfIn PDF document text
- http://aquatherm-graz.at/files/xugepejiduxiwe.pdfIn PDF document text
- https://likeevent.it/writable/public/userfiles/file/23214746787.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16136207326d7c---1084084815.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=free+pdf+printer+driver+windows+7PDF 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_off0000e3ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC05 | 10464 bytes |
SHA-256: a043d2868cda27cb582ff07d4fce46c8b3406bc4d0fc867ac25cab376361520e |
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font_02_sfnt_off000113f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F7 | 18148 bytes |
SHA-256: 4242d38d74382eccf0f1d295b8f424746d22702be90f42e14d90d198797cb4e5 |
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