MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains embedded JavaScript and numerous external URIs, indicating it is designed to redirect users to potentially malicious websites. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM suggests a link farm strategy, likely to obscure the true malicious destination or to maximize reach. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://archism.ru/uplcv?utm_term=photoscape+apk+download PDF link annotation
- http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/tonadejarimemetijaniduzaz.pdfIn PDF document text
- http://ux02.wadhost.com/js/ckfinder/userfiles/files/batomudipigad.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/taxofapisasedobamopo.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/20203828924.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161342e6091f81---rurizuzigose.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/59411961754.pdfIn PDF document text
- https://ladangmimpi.com/contents/files/gepaberoloxobobim.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/dewerululokesogafem.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-9-19/20210919052922135597.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/fakatugewovopefolujisul.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/6ffa5091af130a55f6233c70c4afa410/24608619380.pdfIn PDF document text
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/jetemuzo.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/83429352327.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/37282494865.pdfIn PDF document text
- http://sergeybazarov.ru/file/vurasulu.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/dewugugivivevo.pdfIn PDF document text
- http://jl-vacuum.com/upload/files/nusujinokowakibuw.pdfIn PDF document text
- https://okazionche.com/files/92673875542.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/vuwiduxotujabisodas.pdfIn PDF document text
- https://inprovitargentina.com/ckfinder/userfiles/files/sedorarefano.pdfIn PDF document text
- http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/14721199327.pdfIn PDF document text
- http://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/72804358191.pdfIn PDF document text
- http://umrllc.com/userfiles/files/gumaru.pdfIn PDF document text
- http://restokrat.info/userfiles/file/95147317480.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/74781661816.pdfIn PDF document text
- http://zajazd-broadway.pl/galeria/file/dudavumimod.pdfIn PDF document text
- http://nerezove-kuchyne.cz/UserFiles/File/raxozoradidejowuxi.pdfIn PDF document text
- 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_off0000e323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE323 | 10600 bytes |
SHA-256: d6ffdf0b5e383bcd3b270c81f0cab8edb69c6e66d361eff71b7a16e21a401301 |
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font_01_sfnt_off0000fb6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB6C | 19056 bytes |
SHA-256: a4760eed741ccedc97c37aed8e59458a302a13be4118880737d403e14b7da344 |
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font_02_sfnt_off00012d5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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