MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious content or redirecting users. The presence of numerous external URIs, many pointing to disposable domains and exhibiting link farm characteristics, suggests a phishing or malware distribution attempt. ClamAV and ML classifiers also flagged this file as malicious, reinforcing the assessment of a phishing or trojan payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9902
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://palcev.ru/userfiles/file/36277194356.pdf In PDF document text
- https://cissud.com/uploads/ck_editor/files/xeton.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/silelefafusunanomukus.pdfIn PDF document text
- https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/jodati.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210905051132.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/kinenelipuxunokemata.pdfIn PDF document text
- http://jawarakreasi.com/file/fomofagate.pdfIn PDF document text
- http://decom.pro/admin/ckfinder/userfiles/files/76338482189.pdfIn PDF document text
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/vifewolufa.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/kofenopo.pdfIn PDF document text
- https://linlinline.biz/js/ckfinder/userfiles/files/60589084962.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/kedox.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144363f46d48.pdfIn PDF document text
- https://futurefacesmiami.com/uploads/file/vexizisekadubowul.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161422970cbcf3---pisaluwu.pdfIn PDF document text
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/91540066497.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/nufovus.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/88281354477.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/debakubulegadafogufomoge.pdfIn PDF document text
- http://aaykpn.com/uploads/editor/files/poxenafitawuvuxafala.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/xotakukuwojojijotanagova.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/faguzipe.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/40af228ad0dba3d7c0571d74ee7a9597/bisur.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=gardenscapes+mod+downloadPDF 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD711 | 10608 bytes |
SHA-256: b83620542edebc89016c0f667d8aa2b85029c8a0a2a97e45585706d4e9dd4a56 |
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font_01_sfnt_off0000ef58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF58 | 16232 bytes |
SHA-256: e06ebeaa2bb94d9bf14337b0794fec2c9c4a66e30291689b6f6234bfe360c8a5 |
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font_02_sfnt_off00010537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10537 | 22360 bytes |
SHA-256: 09e1f8f86943a17351238e3d620257a4c2d266c5c1647b3bcfff566aab2f2ab9 |
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font_03_sfnt_off00013d20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D20 | 1820 bytes |
SHA-256: ef4c56b83544acc0eae329b123dcb13384a4443b8ee25b6b011fcec9f25c534c |
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font_04_sfnt_off000145aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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