MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. The presence of embedded JavaScript and a large number of external links, many pointing to disposable domains, strongly suggests a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, further supporting the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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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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://inwebjor.ru/uplcv?utm_term=pdf+multiple+pages+to+separate+pages PDF link annotation
- http://mlsite.gewoozee.tw/custom/file/31402843245.pdfIn PDF document text
- https://hebatkeren88.com/contents/files/39499651498.pdfIn PDF document text
- https://v-rshine.com/upload/images/files/dewined.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/vipowuzikom.pdfIn PDF document text
- http://sunriverps.com/data/editor/file/15587303016.pdfIn PDF document text
- http://eubeer.vn/uploads/files/67880596594.pdfIn PDF document text
- http://kayapaliinsaat.net/file/45161718319.pdfIn PDF document text
- http://kirche-treuen.de/UserFiles/File/pinobod.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/wixoboligawizeb.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a2a65f8d4---vepidivetogujusug.pdfIn PDF document text
- https://korankertas.com/contents/files/99728322158.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/9317564513.pdfIn PDF document text
- http://anchor-m.com/js/upload/files/fimudedaturelodeke.pdfIn PDF document text
- http://xenangheli.vn/public/files/65800947201.pdfIn PDF document text
- http://vijyaiprismcrm.com/userfiles/files/mulosajupaxikuboberivukag.pdfIn PDF document text
- http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/rewiwopita.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/godofuguxevefogogedele.pdfIn PDF document text
- https://moyaexpresss.com/ckfinder/userfiles/files/janofasuvexuzalizekero.pdfIn PDF document text
- http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/vekudojotudelipozipuluji.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/fisatagopuzipuropapela.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16143482c1f3de---92401762962.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/87938623010.pdfIn PDF document text
- https://www.seblocation.com/ckfinder/userfiles/files/97537681969.pdfIn PDF document text
- http://live-lessons.net/lcj/web/uploads/assets/file/10634639317.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/lowivukin.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_off0000b751.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB751 | 10836 bytes |
SHA-256: 3f60b57696cf8bf196211787a9ccd08337bb2600a9b6e9124f13227abc7b4251 |
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font_01_sfnt_off0000d023.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD023 | 16932 bytes |
SHA-256: 8f0678417292141683727622ae13e7ab2b6945f0bff0252b853b3dcfcd06c639 |
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font_02_sfnt_off0000fb3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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