MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous external URLs pointing to potentially malicious content or phishing sites. The presence of 'utm_term' parameters in some URLs suggests tracking or redirection mechanisms commonly used in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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 https://catamma.ru/uplcv?utm_term=all+answers+in+clash+royale+quiz PDF link annotation
- http://phongthuydotho.vn/upload/files/92441055044.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/wadiwumesupinexet.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/sosozesidilubenezukax.pdfIn PDF document text
- http://roberthalasz.eu/uploads/file/fubenuzugadozefe.pdfIn PDF document text
- https://nevisnews.com/userfiles/14776414210.pdfIn PDF document text
- http://mwbright.com/upload_fck/file/2021-10-12/20211012122758560642.pdfIn PDF document text
- https://eseninternational.com/uploads/files/52753780295.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/63077766805.pdfIn PDF document text
- http://phaptangpgvn.net/app/webroot/upload/files/wedimanel.pdfIn PDF document text
- https://tidaksusah.com/contents/files/makuguxozivokobekevi.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/9918250108.pdfIn PDF document text
- https://hongming-eco.com/userfiles/file/106542738.pdfIn PDF document text
- http://ristorantebiscione.com/userfiles/files/90294572557.pdfIn PDF document text
- https://chineseclothingonline.com/File/1274332284.pdfIn PDF document text
- https://f2h63c2.ip4secure.net/upload/files/javasenoxiledej.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/zegifezifu.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147350468e3c---tajatuluwowuka.pdfIn PDF document text
- http://jsushibrea.com/uploads/files/diwaporejasudabowufim.pdfIn PDF document text
- https://hearing-outlet.com/uploads/files/202110042347026479.pdfIn PDF document text
- http://smartdeal.pl/files/upload/files/lusujaxaledugisitux.pdfIn PDF document text
- http://esoftland.com/userfiles/file/51661665203.pdfIn PDF document text
- http://salamatekhanevadeh.ir/ckeditor/files/files/86655115786.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/11313266759.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/senagibi.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/zowufamoraw.pdfIn PDF document text
- https://km2804.com/ckupload/files/xawib.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/besomepafazajawut.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_off0000c53e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC53E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD55 | 10716 bytes |
SHA-256: 24a27a97ca48e26b306f47431bfc7fc9ec30ea97c4bc858f57a5c791e71682eb |
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font_02_sfnt_off0000f600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF600 | 17072 bytes |
SHA-256: bdc4cdb34649c6499ed64683dd22453fd2c82577c006d6c56d00fc7f2acb8801 |
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