MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The presence of 'Powershell V1.0' in the document text suggests an attempt to execute commands, likely to download and run a second-stage payload. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://synerhu.ru/uplcv?utm_term=play+store+app+download+and+install+for+pc+windows+10+free PDF link annotation
- http://stringquartet.biz/web/images/fck/file/56420134979.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/bupobufigugegovunawapoz.pdfIn PDF document text
- https://ferropula.hr/files/tizevonoxer.pdfIn PDF document text
- https://study-abroad-travel.com/ckfinder/userfiles/file/nazavamajifiga.pdfIn PDF document text
- http://fuku-zou.com/userfiles/file/18663909175.pdfIn PDF document text
- http://severstroysnab.ru/userfiles/file/sebitekexinewav.pdfIn PDF document text
- http://kahasat.cz/data/file/84169331116.pdfIn PDF document text
- https://rajatotogroup2.com/contents/files/biketomanes.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/pisokapidinap.pdfIn PDF document text
- https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/lelakelima.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/fulinupuwelanowavevimowep.pdfIn PDF document text
- http://www.bandungmesin.com/file/perapewaxizoxofokom.pdfIn PDF document text
- https://oasis-travel.ro/files/waxosowafatipukumin.pdfIn PDF document text
- http://creptiles.dk/userfiles/file/laxuvafalofetek.pdfIn PDF document text
- https://www.la-melodie-des-saveurs.fr/ckfinder/userfiles/files/64145052442.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/famubifusagunikafufifugug.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/71518252043.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/5eb4845e063fa77b87bcdbbd56093d56/bibawizonunusivel.pdfIn PDF document text
- https://mehreganimaging.com/images/upload/files/tuzubususogopomobovix.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/41618404178.pdfIn PDF document text
- http://beerskiboot.de/img/upload/file/guduru.pdfIn PDF document text
- http://xmzhj.com/UserFiles/file/budamuj.pdfIn PDF document text
- http://cornaredo.gattinonimondodivacanze.it/themes/userfiles/files/fefurasumesogirojupusel.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_off0000dbc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBC7 | 19192 bytes |
SHA-256: 4a0ef9d42bb5eb7f8384f98fcd63c92b6322ed23a62c89048880ec9d15acb19c |
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font_01_sfnt_off00010df7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001260e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1260E | 10988 bytes |
SHA-256: b0268cf44b578b4854f9456aa4d3f1e8576b0393f5bea67a35ff83a4354b5c26 |
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