MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many hosted on disposable domains and configured as a link farm, strongly suggests a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://nomylo.ru/uplcv?utm_term=ttf+file+reader+for+android PDF link annotation
- https://cristalparkhotel.com/ckfinder/userfiles/files/fibitatipupewosalafejeb.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecf98e347a---10892444682.pdfIn PDF document text
- http://mastervgtour.by/var/upload/file/18625834586.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/sogapopir.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202109/file/sewujam.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/da3efb3db348282d2a2856aa05b9116d.pdfIn PDF document text
- https://calienglish.com/ckfinder/images_store/files/jivitinasalog.pdfIn PDF document text
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/xuwisubaves.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/koguzovoniwosakatuxodesu.pdfIn PDF document text
- http://ewtch.com/upload/files/zovub.pdfIn PDF document text
- http://fgsconsulta.com.br/ckfinder/uploads/userfiles/files/zazibevofud.pdfIn PDF document text
- http://gysanya.com/upload/file/210908124225666072zgr0zwrn1hx2.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/49111944031.pdfIn PDF document text
- https://vpmemorial.net/images/file/nugigoxozaxudebumiwele.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd6556f96e---pibaranegemepofu.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/39896336015.pdfIn PDF document text
- http://sportservistocik.cz/UserFiles/File/megexivunokuratokarodim.pdfIn PDF document text
- http://jindi2010.com/uploadfile/files/kudulapewitu.pdfIn PDF document text
- http://www.sloepverhuur-debiesbosch.nl/upload/files/vugenagafer.pdfIn PDF document text
- http://vtvxm.vn/userfiles/file/jisexalagapepoboretegi.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133db282107d---88625974268.pdfIn PDF document text
- https://estoniapools.com/contents/files/nelupesajirivajetu.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/43930604464.pdfIn PDF document text
- 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_off0000c713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC713 | 19700 bytes |
SHA-256: edcd94971783553c09e845cce99179223172e2240f7d60c968786bb3a90567d7 |
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font_01_sfnt_off0000fa72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11289 | 10140 bytes |
SHA-256: 277ba4f39028f526f607f622d2a3cf334e144b1ebe935d934c4fec7594eb7413 |
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