MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains multiple external URIs and is flagged as a remote-support tool lure, indicating an attempt to trick the user into installing or connecting with potentially malicious software. The presence of numerous disposable links on distinct hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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 https://irlanc.ru/uplcv?utm_term=conexion+remota+con+android PDF link annotation
- https://mobilpetrol.olajpark.hu/files/files/72007306899.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/xotajutilufejusex.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/6209747599.pdfIn PDF document text
- http://conomiya.com/images/uploadedimages/file/36191019248.pdfIn PDF document text
- http://l-max.ru/userfiles/file/27223734423.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/tuxotogapurajavabimux.pdfIn PDF document text
- http://nanouklid.cz/upload/file/74602105441.pdfIn PDF document text
- http://stellarp.com/userfiles/file/tisubuzujerajenawopaka.pdfIn PDF document text
- https://satbietthu.com/luutru/files/ruvowowazovajum.pdfIn PDF document text
- http://ropesadventure.com/d/files/28669295774.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/2549ef7dbe1f6f4a808ba90099854df0/88493314847.pdfIn PDF document text
- http://rent-lease-no1.com/userfiles/file/20210910060508.pdfIn PDF document text
- https://energiadirect.pl/application/resources/ckfinder/userfiles/files/lilikigutajuwutifupinajez.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/pejivemorarutaji.pdfIn PDF document text
- http://batistar.fr/userfiles/file/xudofe.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328234c6593---1166660485.pdfIn PDF document text
- https://theipbuzz.com/images/file/23716697450.pdfIn PDF document text
- https://satybharat.com/ci/userfiles/files/zujatubusufofipugumanuwa.pdfIn PDF document text
- https://paradigma.bg/uf/file/tipumopiludune.pdfIn PDF document text
- https://luatsuavina.com/userfiles/file/lulekunijojesufufirumapob.pdfIn PDF document text
- http://meimagedance.tw/ufiles/files/48323840687.pdfIn PDF document text
- http://lovesenergy.com/file/19691521509.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/kedudutonevarulexipazize.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1630940859.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/xoxefobuduxigataw.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_off0000deda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F1 | 10452 bytes |
SHA-256: bdc1455cbd2dc6aad8cdf52f8f2b8777a78200081d40d49aa8ee136825b887f4 |
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font_02_sfnt_off00010eb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB0 | 19044 bytes |
SHA-256: 39d1c9090e427e45a62c1fb6c3ff371476928509b15b91475243afff0f2e0832 |
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