MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as a malicious phishing and trojan lure due to its structure, which contains a single image and minimal text, typical of a screenshot designed to hide clickable elements. It contains numerous external URIs pointing to disposable domains, suggesting a link farm used for distributing malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9851
Heuristics 6
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://synerhu.ru/uplcv?utm_term=top+10+android+video+editor PDF link annotation
- http://hnfhdc.com/UpLoadFile/2021091212102778084.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/31345874016.pdfIn PDF document text
- http://cokhilegia.com/upload/files/12775889627.pdfIn PDF document text
- http://chafewyuok.handysociality.com/upload/files/72833050581.pdfIn PDF document text
- https://siliconautomation.com/userfiles/file/jevavizujalol.pdfIn PDF document text
- http://jtg-antracyt.pl/files/file/vixufutaf.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/12732027933.pdfIn PDF document text
- http://domexpo.ru/up/file/43115706227.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zukapiwonikopajozimova.pdfIn PDF document text
- https://renault-service.com/userfiles/zukejafoxapedozojilar.pdfIn PDF document text
- https://florissantdesign.nl/docs/Image/file/zagisogomemetuvexetoxelim.pdfIn PDF document text
- http://jainfarms.com/uploads/tunalusari.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/16842629241.pdfIn PDF document text
- https://partetesal.ir/data/file/90372498568.pdfIn PDF document text
- http://weshare.vn/attachment/files/vukalojisiven.pdfIn PDF document text
- http://instalace-charvat.cz/userfiles/file/40097117601.pdfIn PDF document text
- http://gianenricofabro.com/userfiles/files/nulaxil.pdfIn PDF document text
- http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52189573340.pdfIn PDF document text
- http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/bawazatawebogubizaxo.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/jezezob.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/87611950574.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/19685110166.pdfIn PDF document text
- http://canxetaidientu.com/images/file/piparesetesupoguvi.pdfIn PDF document text
- http://cdenito.net/userfiles/file/vozivigufepekuzewunepiwe.pdfIn PDF document text
- http://studioingegneramato.com/userfiles/files/xafogogeveligifoduvo.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/wowivuterux.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_off0000b0d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8EB | 10372 bytes |
SHA-256: 51ac4e5a3191dfab68311877dd32f4f42ad36648f0ed54a8f2b1faa13e38d366 |
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font_02_sfnt_off0000e080.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE080 | 14028 bytes |
SHA-256: 9813a20794938d55833815c70f950ce6ea0cab2a911c4a6bcde011c13565713e |
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