MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm used for phishing or malware distribution. The URL 'https://queure.ru/uplcv?utm_term=app+store+application+for+android' indicates a lure related to app store applications. ClamAV and ML classifiers strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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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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://queure.ru/uplcv?utm_term=app+store+application+for+android
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6ef595e2d---14300805851.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/161318c9b05c5d---31221775651.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613072dbdf880---buxavedezok.pdf
- http://mamtomchabahai.com/uploads/files/files/51208251238.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/bbeb626dd0c20d0f9f41cdceb245e2b8/womininaxexemamudim.pdf
- http://liweisteel.co.th/ckfinder/userfiles/files/49048812613.pdf
- http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161393a3d421bc---7475942579.pdf
- http://www.deopendeur.org/imgUser/file/21918061555.pdf
- http://www.sushmitamukherjee.com/fckimages/file/kobagedowolixej.pdf
- https://czus-lukasa.sk/userfiles/file/sisutesufudotap.pdf
- https://electrodomesticaruano.com/images/ckfinder/files/sazuxasivas.pdf
- https://mandarinusa.com/userfiles/file/1631724314.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135ca73208d7---rimofonusinapesuzipavun.pdf
- http://ohmytour.kr/FileData/ckfinder/files/20210905_06A04D55F7B37768.pdf
- https://stormester.no/files/file/mukosozalakajapolo.pdf
- http://svenskafik.se/uploads/fckeditor/file/kapilolepadababa.pdf
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/3552741953.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392f2213669---tatavujozekolejet.pdf
- http://baigeleather.com/userfiles/file/morozexud.pdf
- http://riverhouse.at/pcms/content/file/67830075818.pdf
- http://lmnn.ru/userfiles/file/1467900395.pdf
- http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/fefewobubuzi.pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613549aad4e54---wozirikevut.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e05c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE05C | 16792 bytes |
font_01_sfnt_off0000f873.bine3128a3cd9856f3c42dfe3450c20d1a60e6a40827230d93ec9ce302bc219d8ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF873 | 10596 bytes |
font_02_sfnt_off000110c3.bin9875da5360479004e00bfced9c6890c02c825944ccc071f7e0140f918b69d75d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C3 | 17792 bytes |
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