MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm with numerous distinct hosts, suggesting an attempt to distribute malicious content or phish users. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://www.gpaci.org.br/cms/ckfinder/userfiles/files/49717904576.pdf In PDF document text
- http://gorillatheory.com/admin/upload/file/50412697144.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/35059799192.pdfIn PDF document text
- http://lhdrum.com/User_File/UpFile/file/20210906140103_YmVydXJldnVwaW1ldGE=.pdfIn PDF document text
- http://sithome.com/upfiles/file/20210902125444.pdfIn PDF document text
- http://woodwork.pl/ubezpiecz/obrazy/file/11733648345.pdfIn PDF document text
- http://kuryakyn.ru/userfiles/file/dibiborubedoduvuxa.pdfIn PDF document text
- http://agro-partner.com/Image/files/jiviwisovuwevawatapazo.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/galajolodumorodi.pdfIn PDF document text
- http://bon-mar.com/fck_user_files/file/27850620951.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/61263255508.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/8675719384.pdfIn PDF document text
- http://czernavendeghaz.hu/admin1/file/lovukogifazubuvurero.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/xenumowopizetozijajososa.pdfIn PDF document text
- https://hantverkarenisandby.se/UserFiles/files/jijebupimuwival.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/jufaxusexebogapafijarujik.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613491504a206---34908720311.pdfIn PDF document text
- http://hoclaixebinhthuan.com/upload/contentFile/file/16660140011.pdfIn PDF document text
- http://quangphong.vn/uploads/image/files/82190922885.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/xofisirivifimariwotu.pdfIn PDF document text
- http://trunghungplastic.com/luutru/files/rufifefef.pdfIn PDF document text
- http://sheilahancock.net/blogfck/file/94806975905.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/5313618718.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/texokegetibigivi.pdfIn PDF document text
- http://kamienneogrody.com/userfiles/file/zaxarakugojususi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=auditoria+de+comunicacion+interna+pdfPDF 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_off00011260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11260 | 19060 bytes |
SHA-256: fca8133e329a61d5ba311a487776f78783d2b2d1b25eb303ff2d9e37d6493a19 |
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font_01_sfnt_off00014242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14242 | 10648 bytes |
SHA-256: eb1b5f7f876cf68057f8f7c3d0eac5dd0833209008023c0b1545444d4816d59d |
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font_02_sfnt_off00015a9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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