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 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host numerous links on disposable domains, likely for phishing or distributing further malware. The presence of 'SE_LOLBIN_RUN_COMMAND' and numerous external URIs further supports the attack pattern of redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://pistant.ru/uplcv?utm_term=como+quitar+las+ventanas+emergentes+en+android PDF link annotation
- https://apz-arte.com/ckfinder/userfiles/files/dolopipilaliwukinozudure.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/dedivajikevubibudo.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/60974462416.pdfIn PDF document text
- https://hongming-eco.com/userfiles/file/guxoxij.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa3dc8014e---xizididazetukalebuz.pdfIn PDF document text
- https://pielinks.com/UserFiles/file/84116349870.pdfIn PDF document text
- http://vrakskodamnetice.cz/file/53382715808.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/64388396933.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/nelulupu.pdfIn PDF document text
- http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/31783124863.pdfIn PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/xazevor.pdfIn PDF document text
- http://abwingstop.com/uploads/files/38233541607.pdfIn PDF document text
- http://qdcmd.com/data/files/lalavuvurugepalelunoxeva.pdfIn PDF document text
- http://btfa.tw/upload/files/63548309988.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/53885278845.pdfIn macro / runtime command snippet
- http://trustarshida.co/cache/fck_files/file/gedekaxafudamesekolatu.pdfIn macro / runtime command snippet
- http://pixel-pro.ru/upload/file/45484452152.pdfIn PDF document text
- https://sportcity.bg/webroot/img/content/files/dukeganar.pdfIn PDF document text
- http://pujcovnanaradi-tvarozna.cz/userfiles/files/zogumabepa.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/vawidukemujebumivuwebada.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/3vbrnfn6slmda4j4670akl1o2u/xotitajirutele.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/bukuzisufatadugax.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/55073307443.pdfIn PDF document text
- https://valeaflorilor.ro/img/uploads/file/gutolakigabo.pdfIn PDF document text
- https://valuekare.com/ckfinder/userfiles/files/74982655782.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_off0000d43d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD43D | 19424 bytes |
SHA-256: 584ff30ed6c0946b9c8941f75f866627c351d441742d34ad1f3fd3b99a6d93e3 |
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font_01_sfnt_off000105c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C8 | 10936 bytes |
SHA-256: d6d8b62c49f0caab08a8796b025a0f3641eed6280a600c4ccd933ef8edcbdab6 |
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font_02_sfnt_off00011ea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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