MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the presence of embedded URLs and the overall structure point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://fedico.ca/upload/editor/file/dexizug.pdf In PDF document text
- http://tamlaproject.com/userData/board/file/36544582460.pdfIn PDF document text
- http://ckud.handysociality.com/upload/files/57245716443.pdfIn PDF document text
- http://hhsmelt.com/upload/files/1348008395.pdfIn PDF document text
- http://pantanalmsnews.com.br/ckfinder/userfiles/files/58140829868.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/12658025948.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea2c24e8e5---30094188368.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210907192046832.pdfIn PDF document text
- http://antonellascarpittadesigner.it/userfiles/files/fafebojatejowexodumowawep.pdfIn PDF document text
- http://styrexon.cz/userfiles/file/benumazasome.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/xafafumomatelel.pdfIn PDF document text
- http://tannhatviet.vn/upload/files/paguwab.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/kenibasudifu.pdfIn PDF document text
- http://seamacros.com/upload/file/96310798207.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/zaloxokefawuxexisura.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/38608626342.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/39846487160.pdfIn PDF document text
- http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/18063992210.pdfIn PDF document text
- http://jl-vacuum.com/upload/files/delazeruz.pdfIn PDF document text
- http://aolisenjiancai.com/data/files/83361067442.pdfIn PDF document text
- http://telegid.tv/userfiles/file/tepom.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161357dbb0f29d---gifezigewafipinup.pdfIn PDF document text
- http://synhbio.com/upload/files/gusojivofinifigazo.pdfIn PDF document text
- http://kag.fr/userfiles/file/vavagewowirefuti.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=puffin+tv+browser+mod+apkPDF 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_off0000d67d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD67D | 17928 bytes |
SHA-256: 8f06a78c49055953db8ae011781edfe96e0348f088f5676a800d4fd0f23025b6 |
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font_01_sfnt_off000104ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AD | 11100 bytes |
SHA-256: be035287d141ae3f8040fe7c23fd92802f4fda3ae9b830d8fe7d1a8f43d0572e |
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font_02_sfnt_off00011e6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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