MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure with an image-only design and a clickable action. Heuristics indicate it functions as a link farm on disposable hosting, directing users to external URLs like 'https://irlanc.ru/uplcv?utm_term=como+bloquear+videos+no+celular+android'. The presence of embedded URIs and the overall structure strongly suggest an attempt to redirect users to malicious sites for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 69 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://irlanc.ru/uplcv?utm_term=como+bloquear+videos+no+celular+android PDF link annotation
- http://4darchitecture.org/img/all/jupipi.pdfIn PDF document text
- https://sua.vn/uploads/userfiles/file/vokujosivugutapuram.pdfIn PDF document text
- https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/86889786964.pdfIn PDF document text
- https://zhansq.cn/upload/file/67542908996.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/98966139534.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/xuraluzuzokevisurijulajob.pdfIn PDF document text
- http://wskinbody.com/data/boardData/files/vuxenufigigejivabolagam.pdfIn PDF document text
- https://airin.lv/images/userfiles/file/83651419154.pdfIn PDF document text
- https://sabresources.com/FCKuploads/file/nemodaj.pdfIn PDF document text
- http://aotwcasino.com/ckfinder/userfiles/files/39559068448.pdfIn PDF document text
- https://phr4u.com/files/zijawiwok.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/58536057638.pdfIn PDF document text
- http://htwy.com/upload/file/24269061730.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/fubiganamejuped.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/9d6d3a6a674aabc6b227b0873c47d7ee.pdfIn PDF document text
- http://bordahusfeldolgozo.hu/editor_up/dopalotenojas.pdfIn PDF document text
- http://tkhomedeco.com/assets/uploads/ckedit/files/20210904094428.pdfIn PDF document text
- https://pr-dienst.ch/file/xovugolapozatoduxegokeso.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fccb86c53d---wakewotetatelamuvomaler.pdfIn PDF document text
- https://ksboutlet.com/file/files/tizug.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/35412131803.pdfIn PDF document text
- https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/96530322607.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/52734184782.pdfIn PDF document text
- http://floridadressyourhome.com/uploaded_files/userfiles/files/43982658454.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/176f59ba89c2509d42fc1a7819b8729f/86231585575.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_off0000b340.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB340 | 14272 bytes |
SHA-256: 4f6b037bc51cf3fad5e1f7f22600e50f6b97107b771e7fbff6665e703754449f |
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font_01_sfnt_off0000d6ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eee5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE5 | 10916 bytes |
SHA-256: f4a2c22fa4c8561fabd86f7a35f3661feb94bd006a82fc7c5a958f044015af55 |
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