MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to disposable domains, suggests a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and the nature of the URLs strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://lotusburbank.com/uploads/files/89754834041.pdf In PDF document text
- http://machinegroup.ru/img/outer/files/51675850552.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613caa794e665---46881881121.pdfIn PDF document text
- http://sskj.pl/userfiles/file/1087756024.pdfIn PDF document text
- http://euro-ex.com/images/blog/file/44110956997.pdfIn PDF document text
- http://orenprom.com/img/account/file/daresifezelolapijotoxa.pdfIn PDF document text
- http://tnslib.su/userfiles/files/gigevolufikadowaxiwob.pdfIn PDF document text
- http://palami.by/images/file/44808479497.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/81270299076.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/31848102480.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/844dbeef8182d31969997f10b30fa90c/ragejuxik.pdfIn PDF document text
- https://vcvscr.cz/www/www/fckphotos/file/45774899225.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/14721161640.pdfIn PDF document text
- http://topbuild.net/content/xuploadimages/file/budilolupuwu.pdfIn PDF document text
- http://kzlo.pl/fotki/fotki/file/99381918537.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/1902530607.pdfIn PDF document text
- http://rjt1.org/upload/files/44097874523.pdfIn PDF document text
- http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/nogof.pdfIn PDF document text
- http://taiwanquinoafamily.com/shopadmin/upload/files/44242541834.pdfIn PDF document text
- http://vlajamo.cz/images/file/zuxema.pdfIn PDF document text
- https://clubsecurite.fr/webroot/upload/files/97769781089.pdfIn PDF document text
- http://dekoblickfang.de/userfiles/file/vuxanedejixediw.pdfIn PDF document text
- https://manhremhoangvan.vn/wp-content/uploads/files/69332216393.pdfIn PDF document text
- https://suksesunited.com/contents/files/weboxupolewef.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=poweramp+pro+apk+2020PDF 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_off0000db3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f354.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF354 | 10324 bytes |
SHA-256: 42a7bb85de13a059d871b9e1c7f379fa8e5a87d74635e9d2877ee7f7e7cb1352 |
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font_02_sfnt_off00010abc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABC | 17432 bytes |
SHA-256: d3ff17de1daf7b43c14a1cadb306c211a5d71fe7653685249e0b92e650b3e067 |
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