MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using such PDFs to create a link farm, likely for SEO manipulation or to host phishing content. The presence of external URIs and link farms suggests an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://medvor.ru/uplcv?utm_term=need+for+speed+no+limits+apk+mod+unlimited+money PDF link annotation
- http://uniondrygoods.com/fckeditor/userfiles/file/lipuxuvevidopototitasixas.pdfIn PDF document text
- http://originalavto.ru/userfiles/file/72366921468.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132269697ec1---disolo.pdfIn PDF document text
- http://bipaf.org/2009_home/upload/editor/file/wokesilira.pdfIn PDF document text
- http://massvt.sk/editor_uploads/system/files/12210044358.pdfIn PDF document text
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/82565735846.pdfIn PDF document text
- http://hyswimpool.com/userfiles/pufewuvoveratikawuzadevo.pdfIn PDF document text
- https://wronba.pl/uploads/wysiwyg/file/9058769906.pdfIn PDF document text
- https://satnamunicipalcorporation.com/admin/ckfinder/userfiles/files/64328960999.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/gupuxenezujulokitokede.pdfIn PDF document text
- http://azizolace.cz/images/file/97781028943.pdfIn PDF document text
- http://kovovyroba-nosniky.cz/UserFiles/File/38450897940.pdfIn PDF document text
- http://mapect.com/upload/fckeditor/file/11475796721.pdfIn PDF document text
- http://dryoucosmeceutical.com/userfiles/files/gidawuramikajeketovubo.pdfIn PDF document text
- http://idominjazz.com/fckeditor/userfiles/image/pugifipufofimoje.pdfIn PDF document text
- https://ctsgroups.asia/images/file/ritej.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131a9eb5b789---68075606363.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/31bkvmiuu74s54p4nsllbmnha6/girinozonetisipuvudufituv.pdfIn PDF document text
- http://sage-chem.com/image/files/20210909_032434.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/nalatobasasudi.pdfIn PDF document text
- http://nwatchonline.com/userfiles/file/maxusobonakojufipadazi.pdfIn PDF document text
- http://guowangcable.com/d/files/95819587993.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_off0000b8bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8BB | 10940 bytes |
SHA-256: c4a1f22fb117eed4d13b34f4b46a1698022b326e173e15bde061784fdf4a6efc |
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font_01_sfnt_off0000d21b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD21B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2D | 15260 bytes |
SHA-256: af70598521b967919112abcbd0f14c7bb42f6061979cfc45d15635d410161da0 |
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