MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged as malicious by ClamAV and an ML classifier. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links pointing to potentially disposable domains, suggesting a phishing or spam campaign. The embedded JavaScript and numerous external links strongly suggest an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://sm.ac.th/ckfinder/userfiles/files/59093551968.pdf In PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210916003343.pdfIn PDF document text
- https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/27388313241.pdfIn PDF document text
- http://www.jasolasia.com/image/upload/File/tirabojifupogogi.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/97584608834.pdfIn PDF document text
- http://phdpecs.hu/userfiles/files/nuvorateguzesufines.pdfIn PDF document text
- http://cableesmaltado.com/d/files/5695445742.pdfIn PDF document text
- https://mavibusiness.it/file/toxatoberuz.pdfIn PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/zexexiv.pdfIn PDF document text
- http://obraz-tlt.ru/userfiles/file/53249899666.pdfIn PDF document text
- https://www.potravinyav21.cz/ckfinder/userfiles/files/lojipema.pdfIn PDF document text
- https://thuhuonglacquer.com/uploads/news_file/24224011204.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/vomeninopagugerike.pdfIn PDF document text
- https://pensiuneaselina.ro/userfiles/file/59003300852.pdfIn PDF document text
- http://lapempi.nl/ckfinder/userfiles/files/76908899392.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161533adecf802---jamewujoduseregoroba.pdfIn PDF document text
- http://digitalpolicycouncil.org/imagenes/file/gixitasiwarukojixekalas.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/titixog.pdfIn PDF document text
- http://pxmonastery.org/CKEdit/upload/files/82049330222.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/95362231488.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/88301769103.pdfIn PDF document text
- http://airelimpio.mx/img/editor/file/zejujuwowerobubutibo.pdfIn PDF document text
- https://milosislandrooms.gr/userfiles/file/benejotowinidiba.pdfIn PDF document text
- https://rpaxis.net/userfiles/file/regowixupojem.pdfIn PDF document text
- http://myucmas.com/userfiles/file/67162615916.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/76ac2dd913b956683ad99aba0498b614/xigusegoniniminuwi.pdfIn PDF document text
- https://gameadvisers.com/js/new/fckeditor/userfiles/file/dovakorutise.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/TSvcnjQ06Jg/uplcv?utm_term=all+praise+meaningPDF 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_off0000da16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA16 | 10356 bytes |
SHA-256: 41e43c8189055b50ab90629af23c6171857b8bdc1b7d44890534f1f00cf93831 |
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font_01_sfnt_off0000f16c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF16C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001097e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097E | 19244 bytes |
SHA-256: 4130aa596c824793e8bca25b4ba2d389c27f88eb3e88be1aa24ba91e082042d8 |
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