MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to PDF files hosted on various domains, suggesting a link farm designed to distribute malicious content or phish for information. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a structure common in malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://imhyuk.com/imhyukeditor/userfile/file/gegizumaralolaw.pdf In PDF document text
- http://sedaciesupravy.sk/media/file/puselobufakutafotapuda.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613991ccb1488---44024562933.pdfIn PDF document text
- https://cokhivietuc.com/img-vietuc/files/84408682833.pdfIn PDF document text
- http://noithatlekhanh.com/Images_upload/files/76254340088.pdfIn PDF document text
- http://fluorescent-training.com/file/vinanexonuboj.pdfIn PDF document text
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/15620351916.pdfIn PDF document text
- https://gujaratisamajparis.org/upload/files/9233011952.pdfIn PDF document text
- http://currycornersugarland.com/admin/images/file/vuxusasesodudizijol.pdfIn PDF document text
- https://ahl2005.com/ckfinder/userfiles/files/7010759118.pdfIn PDF document text
- https://self-storage.sg/images/uploadedimages/file/6748649771.pdfIn PDF document text
- http://kezheng.net/Upload/file/rivinobuxuk.pdfIn PDF document text
- http://lamekatus.com/uploads/ckeditor/files/rajonulalozu.pdfIn PDF document text
- https://matratva.in/userfiles/file/31755056779.pdfIn PDF document text
- https://justforjetscatering.com/userfiles/image/files/87449205131.pdfIn PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/wusomekoreba.pdfIn PDF document text
- http://assisdrive.pt/userfiles/file/titubusamesogafoj.pdfIn PDF document text
- http://seoaudytor.pl/userfiles/file/rakukap.pdfIn PDF document text
- https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/71368648548.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/fadifulijezazekojaxo.pdfIn PDF document text
- http://a-daily.jp/app/webroot/contents_img/files/3279623496.pdfIn PDF document text
- http://exhibitionchannel.com/upload/65010292027.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/8795815423.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210901121705.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/megapofoxisodemuledosite.pdfIn PDF document text
- http://abriganature.centralcms.cloud/galeria/files/5072510124.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/26542833251.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=codm+garena+apk+downloadPDF 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_off0000c4b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B0 | 17964 bytes |
SHA-256: c67840680a8fe7fed7c5511bf67c3b438e863513e462625803447225719d77a8 |
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font_01_sfnt_off0000f3d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010bec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BEC | 10584 bytes |
SHA-256: 6cd66c9d9eded4cebdc6335028b4fe1056b284e02453dc1ef00524ac46ad12d5 |
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