MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised websites or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a second-stage payload via the embedded JavaScript and external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 https://nomylo.ru/uplcv?utm_term=call+apps+for+android PDF link annotation
- http://marinaxaraes.com.br/ckfinder/userfiles/files/kiwono.pdfIn PDF document text
- https://jagamimpi.org/contents/files/wenigo.pdfIn PDF document text
- https://euronet.stonavka.cz/webpagebuilder/ckfinder/userfiles/files/35385126896.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/wegetepofaref.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/4f906694f1ed4f5d0bc177ab3f8e5ce2/36261028386.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/gesilitivafelizukimupe.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/givezegimelimipinimoze.pdfIn PDF document text
- http://emusicmarket.com/upfile/board/files/jidutenajulozajaw.pdfIn PDF document text
- http://studiofantino.it/userfiles/files/tuviliponikujurapom.pdfIn PDF document text
- https://junona.manyel.website/images/uploads/medium/77380442373.pdfIn PDF document text
- https://chsins.tw/uploads/files/202109181016204038.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613643346e710---58346762311.pdfIn PDF document text
- https://alyosserspneed.com/userfiles/files/gokeginopozufafari.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/82927680998.pdfIn PDF document text
- https://0900107678.com/upload/file/zotopigusevodokadasox.pdfIn PDF document text
- https://gmt-tw.com/app/webroot/userfiles/files/13165323509.pdfIn PDF document text
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/jezixobanufekufolisikiko.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/20219116742740.pdfIn PDF document text
- http://kechengchem.com/upload/files/sidujaduvozukowosefuz.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/fmrlrjbbr1b3kr145ilidp7v2q/32320333656.pdfIn PDF document text
- http://studiodugnani.it/userfiles/files/5872156729.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/vusaguwatozuregebuwopexe.pdfIn PDF document text
- http://mayjack.com/upload/files/mumizevu.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/35640649225.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_off0000eb4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10366 | 10292 bytes |
SHA-256: 4554e52edd71f64d3f6c1beafb2a65114bda0811a087a6cf7c4d911adea561d7 |
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font_02_sfnt_off00011a99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A99 | 17392 bytes |
SHA-256: fcb8307bd6c95ff08133169a6cc1b231302b9d31a721d49a9b449f6c68eafa2a |
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