MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and are structured as a link farm, indicating a probable phishing or malware distribution attempt. The heuristic 'SE_LOLBIN_RUN_COMMAND' suggests potential execution of commands, possibly via embedded scripts, although no specific script content was provided.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://smidgel.ru/uplcv?utm_term=picsart+app+download+for+pc+windows+10+64+bit PDF link annotation
- https://autotronics.vn/userfiles/file/41050757394.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/nelakifidopikivu.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/vizovukotikekizogujowugu.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/dodegalamuperaluwodegozun.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/35424542027.pdfIn PDF document text
- http://conganbacgiang.vn/app/webroot/uploads/files/waxuwaseg.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bda3bc57a---44356806819.pdfIn PDF document text
- http://ritadas.in/userfiles/file/lifanawuvuzimatedexivu.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///tivulazewole.pdfIn PDF document text
- http://servicedental.it/userfiles/files/pogejikigijimomoxa.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139d0ef4e494---vumoboton.pdfIn PDF document text
- https://latrinquette.com/upload/editor/file/pabutetodemiwojenojatoz.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/xubedatinuluzoxip.pdfIn PDF document text
- http://lexprikson.com/admin/style/images/userfiles/file/82726907804.pdfIn PDF document text
- https://zibarajabi.com/cache/fck_files/file/wopopowikodot.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/25669753912.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/pibakiwuje.pdfIn PDF document text
- http://bluecreator.biz/ckfinder/userfiles/files/xobibaduk.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/170507038632.pdfIn PDF document text
- https://baoholaodong24.com/userfiles/file/lamexagosokileli.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/tajez.pdfIn PDF document text
- https://zniczekowalczyk.com/user_images/file/lupekijobosum.pdfIn PDF document text
- http://jcon-aps.dk/userfiles/file/70358100932.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_off0000f103.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF103 | 11128 bytes |
SHA-256: 2f54b0a63863fbbc509a9d0aa6a80fa75b88424181045c9757c397259c2423e5 |
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font_01_sfnt_off00010b04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12316 | 19760 bytes |
SHA-256: 8e328f71d8dbb8a8d205add046d2a1a5891081ddc8e86b6e12a56dc97bd4b711 |
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