MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crewmak.ru/uplcv?utm_term=highest+gdp+country+list+2020 PDF link annotation
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/sekigifowopodifozisepi.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613271ddd2679---pelefutekemonevafe.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/pewevadapiradej.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/14716044180.pdfIn PDF document text
- http://nanoscopy.ru/uploads/files/rufonu.pdfIn PDF document text
- http://www.520amis.com/upload/files/gusevojopodejidovefutodo.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/zowobisugulo.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/39a7b5171bf02780120570414bf5cc2b/kixupob.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/46806652784.pdfIn PDF document text
- https://hefcom-hydraulics.com/ckfinder/userfiles/files/vuziturogixixo.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/67867243592.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/rigogefika.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/66744259468.pdfIn PDF document text
- http://marymo.ru/uploads/files/55394521635.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614931078d024---pamoxotevojibim.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/43765582573.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/3764058338.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/72275065088.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/pejexow.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5cab84874---loweni.pdfIn PDF document text
- http://titibbs.xyz/js/ckfinder/userfiles/files/buwuxija.pdfIn PDF document text
- https://cfaegaianascente.pt/portal/userfiles/files/ludamarutoxol.pdfIn PDF document text
- http://annamsaigonlaw.com/upload/files/rebakuneromudodilegame.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/dokesu.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_off0000af7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF7B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c792.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC792 | 11080 bytes |
SHA-256: 98c68a1ad68e788a4f4219e0e7d116133425a3c6b20cb547c74c4bb90ac5f158 |
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font_02_sfnt_off0000e122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE122 | 15736 bytes |
SHA-256: 29fa900b6dc74a5188ca1600ca4146c6e5083026af75805d51e042537aefb019 |
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