MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_SECURITY_BYPASS' suggests the document instructs the user to disable antivirus software, a common tactic to evade detection. While no scripts were directly extracted, the PDF structure and numerous embedded URLs, including one identified as a link farm, point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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 http://wijnhuis-vaessen.nl/site/data/ws/files/76880153182.pdf In PDF document text
- https://mcq-exambd.bdbabymart.com/app/webroot/ckfinder/userfiles/files/juboxikabisimuvatakipoma.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32661632423.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/88023644915.pdfIn PDF document text
- http://hqshop24.com/userfiles/file/binitijotejukikaratulavi.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/sekusuboduvesaniwu.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/lawojudiduxegirax.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/48829598246.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b5f2c18b81---41971839976.pdfIn PDF document text
- https://www.netcorp.hu/data/editorfile/66473375571.pdfIn PDF document text
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/44206306202.pdfIn PDF document text
- http://agrobud.net/uploaded/file/kimezoxoludifilitixivetu.pdfIn PDF document text
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/tufojuba.pdfIn PDF document text
- http://3m18.com/images/editor/files/6811584077.pdfIn PDF document text
- http://noithatdangcap.vn/app/webroot/uploads/files/46607751713.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109111536367894.pdfIn PDF document text
- http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71046397582.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16161959d1a030---84052062503.pdfIn PDF document text
- https://baobiachau.com/luutru/files/sivigebu.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/53635142231.pdfIn PDF document text
- https://xn--80ag1a2a.xn--p1ai/files/file/34267799156.pdfIn PDF document text
- http://spy-military-labs.com/userfiles/file/dipiwitiwugogumokira.pdfIn PDF document text
- http://gonganmi.com/userfiles/file/pusuf.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/1hHberoKktI/uplcv?utm_term=minecraft+pc+free+download+java+editionPDF 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_off0000be31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE31 | 10720 bytes |
SHA-256: 686a061df2ab57e7864be6cf6f1024e495fecefea0343a7b4f0ef9e9e855ab1b |
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font_01_sfnt_off0000d6ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6EC | 18152 bytes |
SHA-256: 435ec2ab3648565dbeef12883efa4781bdc06e414040012fd2816c3c8a6a60c4 |
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font_02_sfnt_off0001064d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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