MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, suggesting it functions as a link farm or a distribution point for malicious content. The PDF structure and embedded links point towards a phishing or malware delivery campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://crewmak.ru/uplcv?utm_term=android+basic+examples+for+beginners PDF link annotation
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/19969606239.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613371b626cbb---sefujomafufarow.pdfIn PDF document text
- https://dailyiat.com/html_upload/file/6861390240.pdfIn PDF document text
- https://kclandscapes.com/ckfinder/triplebuserfiles/file/40601467293.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210918_CC2CB18B35833B46.pdfIn PDF document text
- https://yarpaket.ru/userfiles/file/21985719916.pdfIn PDF document text
- http://kingkady.com/uploadfile/files/60550664055.pdfIn PDF document text
- https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/44392264409.pdfIn PDF document text
- http://www.nbc.com.vn/ckfinder/userfiles/files/mitejerefinopoxuwidajas.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/59825825106.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/nerurupuzojizekuduwinejuj.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/widimusijakojo.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109191003185526.pdfIn PDF document text
- http://sladkiy-ostrov.ru/userfiles/files/75271798712.pdfIn PDF document text
- http://otoozevran.com/resimler/files/34714959993.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/46293885122.pdfIn PDF document text
- http://simonide.org/userfiles/file/gomibogopafokudelosu.pdfIn PDF document text
- http://capital96.com/userfiles/file/pexomitosileruso.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/86445380352.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161379b518518b---pedupakutemedabonavop.pdfIn PDF document text
- http://vlajamo.cz/images/file/97292058165.pdfIn PDF document text
- https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/limuzufuleta.pdfIn PDF document text
- http://inkjetartandimage.com/Uploads/file/40573830661.pdfIn PDF document text
- http://vandientuchinhhang.com/upload/files/xugovimimab.pdfIn PDF document text
- http://camberwelltaxi.com/survey/userfiles/files/96533138336.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/73173452251.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_off0000e205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE205 | 11088 bytes |
SHA-256: 13ba74674f8dc5da55d84b2bf8bf2f70e46220cfd8962496110d185823541dfc |
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font_01_sfnt_off0000fb72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11384 | 17876 bytes |
SHA-256: 8b155795e0a6120d368ca01a4945d19a3b31f5054f0636b9641c88f19b5b0c0d |
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