MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many of which are linked to disposable hosting and appear to be part of a link farm, suggests a phishing or scam operation. The heuristic 'SE_LOLBIN_RUN_COMMAND' also indicates suspicious command-like sequences within the document text, further supporting a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://coretry.ru/uplcv?utm_term=download+7+habits+of+highly+effective+pdf PDF link annotation
- https://heart-calligraphy.com/uploads/files/202109031155182218.pdfIn PDF document text
- http://sipzip.com/userfiles/file/20169620980.pdfIn PDF document text
- https://euforbiabulgaria.com/uploads/pages/files/84253117943.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/62884745711.pdfIn PDF document text
- https://12shio1.com/contents/files/43116908864.pdfIn PDF document text
- https://ural-aiti.ru/admin/ckfinder/userfiles/files/xigebubawazidatetutos.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/visigusomalosamevet.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/riwuwevodubusobi.pdfIn PDF document text
- https://anninhsieuthi.online/upload/files/62246484813.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/63282677835.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8510238f5482b47b04ee058469dc0e53/29128285435.pdfIn PDF document text
- https://menokatea.com/ckfinder/userfiles/files/makinevowamomimapojefe.pdfIn PDF document text
- http://charmingcurls.se/upload/file/79853482480.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/lc9pbgesdu5deebotuffnkamrm/73376050935.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/piwuv.pdfIn macro / runtime command snippet
- http://olympiad-bigben.ru/ckfinder/userfiles/files/40480095869.pdfIn PDF document text
- https://limblength-sldf.com/userfiles/file/gunanidekow.pdfIn PDF document text
- https://qfuse.it/images/uploaded_files/ckfinder/files/1630728633_05f94d56ca.pdfIn PDF document text
- https://mamalight.net/business_school/uploads/file/84842298250.pdfIn PDF document text
- http://goopenapp.com/uploads/files/gololexelufuzu.pdfIn PDF document text
- http://ptsound.com/plugins/ckfinder/userfiles/files/muvasoxufiwubekululepefum.pdfIn PDF document text
- https://mobspace.xyz/web/img/podborky/files/2942460107.pdfIn PDF document text
- https://nk-sostanj.si/files/file/tusatebikuzinifetesupope.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/gewuvejepagevezuwigima.pdfIn PDF document text
- https://www.pietri-autoIn macro / runtime command snippet
- 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_off0001041d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011c34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C34 | 11256 bytes |
SHA-256: 2d7c7c0099b0a276dfa62ac976542717496c08fe1b882cff551dccd37fc17749 |
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font_02_sfnt_off00013640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13640 | 18772 bytes |
SHA-256: 885513dcb4aa468e2e979cbf130dbc7829a528e40e2fcc6639291daad5ef13e6 |
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