MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains, indicating a link farm designed to obscure malicious destinations. ClamAV and ML classifiers confirm its malicious nature, likely as a phishing or malware distribution lure. The embedded JavaScript is likely responsible for redirecting the user to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9881
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://lixupeng.com/uploads/files/55865111367.pdf In PDF document text
- https://ehotelgateway.com/bot/ckfinder/uf/files/tigunexigil.pdfIn PDF document text
- https://aquaprosmart.com/userfiles/files/widemasodedefe.pdfIn PDF document text
- https://worldtradezone.com/userfiles/file/40971287618.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/nelupul.pdfIn PDF document text
- http://imosa.asia/uploads/files/202109081613561017.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/47824643872.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/60846557293.pdfIn PDF document text
- http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/74942542481.pdfIn PDF document text
- http://k1a.ru/images/files/file/tupaxolozolazibe.pdfIn PDF document text
- http://handbook.hu/upload/page/file/ruzozunutagoxabagilevu.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/82527593548.pdfIn PDF document text
- https://eseninternational.com/uploads/files/47604472999.pdfIn PDF document text
- https://niagarablock.com/application/webroot/userfiles/file/zenupoka.pdfIn PDF document text
- http://xedaptheduc.net/app/webroot/uploads/files/lewex.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/16189516191.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/44114594244.pdfIn PDF document text
- http://jcbcharpentebois.com/ressource/site-image/files/mejekutofeki.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/wisijatitaworobudosav.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/2013409257.pdfIn PDF document text
- https://emenu.hu/editor_up/xevodumuxezelonefako.pdfIn PDF document text
- http://thementalhealthadvocates.org/files/userfiles/file/99248130144.pdfIn PDF document text
- https://alwaysthesame.pt/site/upload/file/tazilagipevodojejubuziku.pdfIn PDF document text
- https://njshore.drinkpoint.com/uploads/files/ludok.pdfIn PDF document text
- http://rileyillustration.com/images/agency/files/71570709167.pdfIn PDF document text
- http://1night2day.com/ckupload/files/pituwuwokipenopebabulo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=nds+best+romsPDF link annotation
- 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_off0001874d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1874D | 20188 bytes |
SHA-256: 7dbd6c512672cbabebc7dc6b10cb92922fbef8f27ccaaf9fa39c4932db568e4c |
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font_01_sfnt_off0001bcd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BCD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001d4ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D4ED | 10120 bytes |
SHA-256: a6517542f4f19bb50be0ae228145b5076fdb0b6221a4f7d888bd8d466725bc9c |
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