MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs pointing to PDFs hosted on various domains, indicative of a link farm used for phishing or malware distribution. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights this behavior. No scripts were extracted, but the structure suggests a malicious PDF designed to redirect users to external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://casaalu.com/luutru/files/bikimuzitev.pdf In PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/f31e3223685cf79c1b97ca8e79cf6c04/12491140884.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/xusaxel.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/6207461142.pdfIn PDF document text
- http://effektfilm.de/files/file/lajuwafesepur.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/dekeliwu.pdfIn PDF document text
- http://khyljg.com/uploadfiles/files/77269638771.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/40768598816.pdfIn PDF document text
- http://studiovalecchi.it/userfiles/files/55544257746.pdfIn PDF document text
- https://cncostruzioni.com/userfiles/file/xarezomurifixapigib.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/12141312269.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210911190742_wsmyfx.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/misagiraxadodusadi.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/s8uo2q5gq1penkg9cg38j8og11/68678380608.pdfIn PDF document text
- https://songhong-thudo.com/img/files/29866768281.pdfIn PDF document text
- http://aroma-es.site/yamituki-n/uploads/files/datokelizewuzedaxok.pdfIn PDF document text
- http://bukharajohnscreek.com/sites/default/files/file/gafiluduxuwutola.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/49229296468.pdfIn PDF document text
- https://qkon.ca/images/file/zarus.pdfIn PDF document text
- https://ymy-tea.tw/upload/files/47611255057.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/kadidobijazoj.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/8783716229.pdfIn PDF document text
- http://thebookmarkcafe.com/uploads/files/sejuzaxizubotokidigebepum.pdfIn PDF document text
- http://congtrinhnhaviet.vn/upload/files/67165863848.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=root+android+box+without+computerPDF 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_off0000e7d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D3 | 11036 bytes |
SHA-256: e8bce56daf8cc4da7723b1449dedb5b4da73037ec369fd76cd1714ad775a0a7f |
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font_01_sfnt_off0001012b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012B | 17568 bytes |
SHA-256: 027b0b76a490f8f45cda51b959b5519d3bfbde8d802bc5ecb2ab5bccca438913 |
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font_02_sfnt_off00012e4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E4A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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