MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which are hosted on suspicious domains and appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by identifying the PDF's structure as a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://maintogelonline2.org/contents/files/dosewevitufirizetemavuk.pdf In PDF document text
- https://cheeselicious.net/UserFiles/file/68664645073.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc48510ad4---wopatexetudodegu.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/91444067252.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/98159836993.pdfIn PDF document text
- http://tagsu.com/attachments/fckattachments/file/dabuzofagalabigufetabarav.pdfIn PDF document text
- https://baongochoa.com/upload/file/64719813011.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/kuwovefovexenifefidifo.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/26033335021.pdfIn PDF document text
- https://powermailer.in/userfiles/file/39466289393.pdfIn PDF document text
- http://saga.diamonds/uploads/ckfinder/files/48234489935.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613477dc788f3---66730854941.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/59462924986.pdfIn PDF document text
- http://arisutour.com/ckupload/files/4782403882.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/boxerepa.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/suduzafirovifikelosimifa.pdfIn PDF document text
- https://quizai.com/uploads/files/61256992476.pdfIn PDF document text
- https://www.e-oswiata.olesnica.pl/ckfinder/userfiles/files/71471005921.pdfIn PDF document text
- http://l-max.ru/userfiles/file/67843742675.pdfIn PDF document text
- https://interconformity.ro/images/file/1661162755.pdfIn PDF document text
- https://leo.tw/upload/ckeditor/files/47444379937.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/3916123376.pdfIn PDF document text
- http://manavpublicschool.org/manav/userfiles/file/jukutukijajore.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=my+hotspot+is+not+working+androidPDF 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_off0000e3df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3DF | 10776 bytes |
SHA-256: 7b13d1a1c1782fef73b1456b7874e05cfa74c8d0a177f44a72aa3c836218a76e |
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font_01_sfnt_off0000fc8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001149e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149E | 18380 bytes |
SHA-256: bd30961d961a249c196c97b1fab2d8aeea011f7a2af6327a79140a68a7792a42 |
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