MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, likely to distribute malicious content or conduct phishing. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://laborke.ru/uplcv?utm_term=live+match+tv+apk PDF link annotation
- http://studio70.eu/userfiles/files/rokidamedigasapijejukif.pdfIn PDF document text
- http://studiogiovannone.com/userfiles/files/zabanisedunewevetu.pdfIn PDF document text
- http://fteq.ru/files/file/bonijovufiw.pdfIn PDF document text
- http://xn--80ab1a9a.xn--p1ai/sadm_files/kilufosubakuwopujukodin.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/suxug.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/devepibijasubijofep.pdfIn PDF document text
- https://hebatkeren88.com/contents/files/61025592183.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/orh9jbe3mvr6hp4591e2uqjlh7/25705122178.pdfIn PDF document text
- https://www.sibirprokat.ru/ckfinder/userfiles/files/31730222576.pdfIn PDF document text
- http://faithleader.org/js/ckfinder/userfiles/files/22015275767.pdfIn PDF document text
- http://tvsatkrosno.pl/userfiles/file/23416387471.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0b29205d0c0bca615f88595228f5081d/48775179888.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-02/7c48d8612a75f88154f000800e2cba86.pdfIn PDF document text
- http://dorrstrechy.cz/UserFiles/File/40052097492.pdfIn PDF document text
- http://cesvil.it/filesUploads/file/69279885217.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613941bf4d762---detojagorosulotesowa.pdfIn PDF document text
- https://pieseautocomenzi.ro/userfiles/file/gegenewegaxapumide.pdfIn PDF document text
- http://tourister.kr/userfiles/file/fumoxuxosed.pdfIn PDF document text
- http://yusungchart.com/userData/board/file/tubujofo.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/7a39e4fb76ff38939a2d19dabb47bdd6/46840024956.pdfIn PDF document text
- http://kqcme.yiaiwang.com.cn/upload/files/sitomubizunededajo.pdfIn PDF document text
- https://jin-hung.com/userfiles/file/balelalidovuxuzibekonot.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_off0000b76a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB76A | 16848 bytes |
SHA-256: 76b2127f852e1230fcfc3c4ff1306bf9bad721d421553d98365d05a69a996861 |
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font_01_sfnt_off0000e309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE309 | 10216 bytes |
SHA-256: 6b524d86b4531150242e63a0d385d25f0aabf1df485fd746904f020a6a4c373c |
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font_02_sfnt_off0000fa05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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