MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document contains numerous links to disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were directly extracted, the nature of the PDF and its embedded links strongly suggest it's part of a phishing campaign, likely using embedded JavaScript to facilitate redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 5
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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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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://hoaisonland.vn/upload/files/putixefawodipem.pdf In PDF document text
- http://chromowane.com/userfiles/file/5388094763.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/josalabupodev.pdfIn PDF document text
- https://eprobatdz.com/ckfinder/userfiles/files/puvikorekisowoxeguginupo.pdfIn PDF document text
- https://xn--80ag1a2a.xn--p1ai/files/file/galilidajumite.pdfIn PDF document text
- http://primaneighbors.com/userimages/wemakovuwezu.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361d5035193---2725243952.pdfIn PDF document text
- http://peknanevesta.sk/media/file/3450173415.pdfIn PDF document text
- http://allier-genealogie.org/File:/jamuzevokubupefamasi.pdfIn PDF document text
- http://lgassociates.in/uploads/60419325982.pdfIn PDF document text
- https://computerzone.pk/file/54944937700.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/26859840695.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/geremonupoponomegesem.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/xexabawiparufil.pdfIn PDF document text
- http://galluccifaibano.com/userfiles/file/26118410.pdfIn PDF document text
- https://duvanco.be/docs/files/kaliberodaxuwumubif.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/lenopanu.pdfIn PDF document text
- http://ranahytta.com/ckfinder/userfiles/files/lolusuvobarinenonoseram.pdfIn PDF document text
- http://zhuoer.ltd/userfiles/file/bupurureja.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/54425849861.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/bufuvufoketaroxofebekubug.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/minodo.pdfIn PDF document text
- http://traiteurluc.com/userfiles/file/51417826311.pdfIn PDF document text
- https://777mto.org/contents/files/11370425355.pdfIn PDF document text
- http://blccy.com/userfiles/files/93240302240.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+pull+up+clipboard+on+androidPDF 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_off0000cd2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD2A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e53c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53C | 16960 bytes |
SHA-256: f452597102c64df78b8c00a34a024600dfdeb79a6099cf020c8ee88b86822da5 |
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font_02_sfnt_off000111b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B2 | 10524 bytes |
SHA-256: 13646c7b4269aa2d2f271d7821d0875eacdad4914490b17655150bf781c7c5f4 |
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