MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, with a high heuristic score for embedded JavaScript. The PDF contains numerous external URIs, many of which are likely part of a link farm designed to obscure the ultimate destination. The embedded JavaScript is the primary mechanism for redirection, indicating a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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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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://paperland.bg/uploads/file/34034295657.pdf In PDF document text
- http://imbirimbir.ru/files/nekufenemaj.pdfIn PDF document text
- http://logisticsnetworks.net/ckfinder/userfiles/files/99120399871.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/77c1da486c289449a0a42311638b7d84/relil.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/86575794122.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/waxupafavoximo.pdfIn PDF document text
- https://iuoshili.com/upload/users/files/39222229933.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/74623117138.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/60036688298.pdfIn PDF document text
- http://merrygoldholidays.com/ckfinder/userfiles/files/gapatozow.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/72676526662.pdfIn PDF document text
- https://happen.webasl.com/userfiles/file/pibavigozije.pdfIn PDF document text
- http://lenosada.sk/editor_uploads/files/lexokagigejawek.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/78695635895.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/3d4ae6251f5c31885888c40f42128355/2054243308.pdfIn PDF document text
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/74538511457.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/tozosiworewoxarodupuf.pdfIn PDF document text
- http://boonfagrandhome.com/user_img/files/22237845179.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/kekefebitetikekazake.pdfIn PDF document text
- http://it-hair.com/userfiles/7288993280.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/limifazusolo.pdfIn PDF document text
- https://noursportevents.com/wheelmarine/userfiles/file/96672438398.pdfIn PDF document text
- http://bartuceviri.com/userfiles/file/gaganaduferagat.pdfIn PDF document text
- http://www.armstrongre.com/files/files/43607115650.pdfIn PDF document text
- http://bishnutoursandtravels.in/userfiles/file/lipesupeg.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210925_5375E516D097E5DA.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=sonic+mania+plus+ppssppPDF 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_off0000b0d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0D1 | 10380 bytes |
SHA-256: 1e0c4bd335ebebfc0073a8d8b7a299a44fe53825484f2fcbb9be05d6f33b4cd2 |
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font_01_sfnt_off0000c835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC835 | 14748 bytes |
SHA-256: 7c18d397d0537bb2c447fcadec9bbe32fc533f7672968ad9578ed84033d15704 |
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font_02_sfnt_off0000ed3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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