MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host numerous links, likely leading to phishing sites or malware downloads. The ML classifier and ClamAV detection strongly support a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://archism.ru/uplcv?utm_term=since+4+years PDF link annotation
- https://cambodiaangkorhomestay.com/userfiles/file/54609917158.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/kodidokomuginapabopujugo.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1633417684.pdfIn PDF document text
- https://ms01bet.net/contents/files/boxukino.pdfIn PDF document text
- http://piemonteforyou.it/userfiles/file/pelevamegojolu.pdfIn PDF document text
- http://185.33.116.142/~bbyacht01/upload/files/74562301949.pdfPDF link annotation
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48873271321.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135491be15be---vewigomemewefosat.pdfIn PDF document text
- http://boatmonies.com/uploads/files/givijebimupolibus.pdfIn PDF document text
- http://hoya889.com/upfile/files/20210928230232.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021090314073873499.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/09/14/75966558604.pdfIn PDF document text
- https://www.kindspring.org/inc/ckfinder/userfiles/files/zofebuboliv.pdfIn PDF document text
- http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/59116617741.pdfIn PDF document text
- http://mcutech.net/files/88201288265.pdfIn PDF document text
- http://sun-tes.ru/files/file/xemidoboxojaze.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150528e08b2c---32796841067.pdfIn PDF document text
- https://mimpidia.com/contents/files/5434429903.pdfIn PDF document text
- http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/pawedotelew.pdfIn PDF document text
- http://shinhwacar.com/userData/board/file/nefikutagewawijogo.pdfIn PDF document text
- https://mannerfeltdesignteam.se/ckfinder/userfiles/files/17078372146.pdfIn PDF document text
- https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/59034844921.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_off0000d796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD796 | 19328 bytes |
SHA-256: 08ba5a25c92e058001aa5d0ef3e5efdc184d721afa26ca714432eaed10844a12 |
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font_01_sfnt_off0001096c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1096C | 10228 bytes |
SHA-256: 29528661cb2bb61be50d9d4626bc9a796c722f6f85d40f6913246a5ae4f7d269 |
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font_02_sfnt_off00012083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12083 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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