MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, including one pointing to a link farm hosted on disposable domains, suggesting an attempt to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious workflow, likely involving the exploitation of PDF vulnerabilities or social engineering to trick users into clicking links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://cokhitienvuong.com/uploads/files/34170383945.pdf In PDF document text
- https://fotokeramika.bg/userfiles/file/61477729209.pdfIn PDF document text
- http://metall-press.ru/files/nizorisamosaga.pdfIn PDF document text
- http://europavloeren.nl/siteimages/file/44531198136.pdfIn PDF document text
- https://www.jdconstinc.com/ckfinder/userfiles/files/81120722032.pdfIn PDF document text
- http://cieplej.pl/imgturysta/file/tipimikifasesudagoseviw.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/73102159731.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/522b6a25f9b6cfa6a8bbfbfb62bfc9b9/jugobodufawizelakexiw.pdfIn PDF document text
- https://skiclubraonbaccarat.fr/pdf/81460131957.pdfIn PDF document text
- http://otevrel.eu/ckfinder/userfiles/files/84080592773.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/74898442885.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/197e8tcrum6kpua7c4840rdcg6/disez.pdfIn PDF document text
- http://www.bluewhaleline.com/image/upload/File/bovitu.pdfIn PDF document text
- https://rotitelor.com/contents/files/repekowuwinuk.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xumovaga.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/mevamidetilapufoduzow.pdfIn PDF document text
- http://vibrobeton.by/pics/files/fakobebalojurirut.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/nogox.pdfIn PDF document text
- https://nocnepal.org.np/ckfinder/userfiles/files/75137726866.pdfIn PDF document text
- http://prochem.vn/images/uploads/files/nexuvaribelixidi.pdfIn PDF document text
- https://allegypttours.net/userfiles/files/tisuz.pdfIn PDF document text
- https://dd-inside.de/userfile/file/bidakozakad.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=avengers+java+game+for+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_off0000cbb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e3ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3CA | 10732 bytes |
SHA-256: 471a27fa35e0b3ed60cee248f153c501b74e935470e0f5f7d637946a9cf4b08c |
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font_02_sfnt_off0000fc38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC38 | 20452 bytes |
SHA-256: 780e5b9ab8c2e61dfb3b62655c3bc7e6587a6fcd597e7347fb675f40a6599ebb |
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