MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a LOLBin command-execution lure. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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=up+movie+fmovies PDF link annotation
- http://luluscafeonline.com/uploads/files/57689307513.pdfIn PDF document text
- http://dtjxbpzx.com/filespath/files/20210910182631.pdfIn PDF document text
- http://sensitiva.fi/UserFiles/File/45533263212.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/38385097958.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/porimutitar.pdfIn PDF document text
- https://kaskad-74.ru/images/uploads/zikobaremavizaguwevutasi.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/8079894529.pdfIn PDF document text
- https://tradingphrases.com/userfiles/files/86659104011.pdfIn PDF document text
- http://www.serge-valentin.net/ckfinder/userfiles/files/sivupimedarit.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384250697be---36564305594.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/45751370875.pdfIn PDF document text
- http://parateam.cz/file/wafaduxora.pdfIn PDF document text
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/nisesexuvejejofebonejo.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/fadoluzalexu.pdfIn PDF document text
- http://serenetour.com/image/upload/File/dedisetodir.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/75540020172.pdfIn PDF document text
- http://whdhgs.com/uploads/file/20210909024750773.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/ug1cdotgogh33td27cmd2hifp4/38169261846.pdfIn PDF document text
- http://vagyonvedelemszolnok.hu/admin/fck_upload/file/17148429961.pdfIn PDF document text
- http://agarimo.com/archivos/archivos/sarab.pdfIn macro / runtime command snippet
- http://vkts.se/userfiles/file/busavedixunozefa.pdfIn macro / runtime command snippet
- https://kolkatanagariksammelan.org/ckfinder/userfiles/files/72063793223.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jotelajifuvorojo.pdfIn PDF document text
- http://kocavietnam.com/upload/files/tanabepol.pdfIn PDF document text
- http://vagyonvedelemszolnok.hu/admIn 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_off0001088c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088C | 10080 bytes |
SHA-256: b9e936c1f36836e4b63956eda54401c94b97ccaf2fa1e79804ce8c0fba661c10 |
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font_01_sfnt_off00011f09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F09 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001371b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1371B | 17228 bytes |
SHA-256: f2f1203dea8f2f4a10ebff7f8f0a1435f35d6094c035f1ce8b1ba4e6b3088258 |
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