MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and links to compromised CMS uploads, suggesting it functions as a link farm to distribute malicious content. The document body is heavily obfuscated and unreadable, but the presence of embedded URLs and the overall heuristic firings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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=the+croods+a+new+age+free+online+full+movie PDF link annotation
- https://izyskately.ru/foto/ck/files/97693410627.pdfIn PDF document text
- https://lanegarrett.net/userfiles/file/55200390340.pdfIn PDF document text
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/pubawekozudu.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/161403c74d756f---wazinekoxomubufas.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613067e6626eb---fifij.pdfIn PDF document text
- http://fthyhs.com/resource/docContentImg/file/2021-09-12/4d0e18b23f545ef98e5a235751629a77.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c9aa2ebc8---96147367733.pdfIn PDF document text
- http://citadelcaralarms.com/userfiles/file/kasugut.pdfIn PDF document text
- http://showpalmedical.com/userfiles/wosonipidopawuv.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/55195528295.pdfIn PDF document text
- http://ibb-online.ru/f/file/94226790016.pdfIn PDF document text
- http://szpk.hu/_user/file/46962204041.pdfIn PDF document text
- http://asirakademi.com/resimler/files/raromidobu.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/36033668840.pdfIn PDF document text
- http://hitmet.slektenkaas.com/bilder/file/webesamuv.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/60542892691.pdfIn PDF document text
- http://gmei.lt/ckfinder/userfiles/files/85299262132.pdfIn PDF document text
- http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/zoxaruvepixukeni.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614099df610c4---67639399773.pdfIn PDF document text
- http://xn--9i1b14lzokxjcrti5um.com/upload/fckeditor/file/wevexediridut.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/brmnngldb4n3mjfq9fm374icb6/xezep.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/zefetufomepobunotubokot.pdfIn PDF document text
- https://ms2gacor.com/contents/files/23196370.pdfIn PDF document text
- http://zl369.net/userfiles/file/koxatuvolodonojotarojirob.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_off00010690.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10690 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011ea2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EA2 | 18400 bytes |
SHA-256: 167cbad40d3eb607c0d56dbf5eb4ecbedb73bb5ad838644ceca69425cef00a62 |
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font_02_sfnt_off00014f61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F61 | 11040 bytes |
SHA-256: 3f5fca35b4829f31d4baba47875b36f59d3b43138a23f7b789a64962cc266916 |
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