MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links to various domains, many of which appear to be compromised or disposable hosting. The presence of 'utm_term' parameters suggests a phishing or SEO manipulation attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://coretry.ru/uplcv?utm_term=outlook+kontakte+auf+android+handy+importieren PDF link annotation
- http://kstarsmall.net/userfiles/file///26460176698.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/gomexil.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdd92d2019---14214582.pdfIn PDF document text
- https://next-engineering.com/userfiles/files/zusizutaxupew.pdfIn PDF document text
- http://cmtsport.com/pliki/22461440598.pdfIn PDF document text
- http://vatlieulamnha.com/media/ftp/file/20569703070.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/v1bdcksa7h27nu8peuhb7b3qol/51302014520.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/72087350039.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/12420801372.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/53336894239.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210912212230_1165422255.pdfIn PDF document text
- https://sanmuabandoanhnghiep.org/images/content/files/6361125655.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139232bc7475---24822954116.pdfIn PDF document text
- https://jyapa.com/jhuoyue/uploadfiles/fukozezuwigagasezedibava.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/lanobenudofovisamovimalu.pdfIn PDF document text
- http://mebizstekla.ru/userfiles/file/kularolekad.pdfIn PDF document text
- http://tourgrodno.by/images/content/file/ralitegoxugit.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/52181616393.pdfIn PDF document text
- http://studiozoppini.com/userfiles/files/lokaxisezireximo.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/1523f100343c85345b06fc3d454d8979/lexezomutewaletedi.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/tatigetimon.pdfIn PDF document text
- http://clingac.com/d/files/82674801451.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_off0000e165.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE165 | 19016 bytes |
SHA-256: 0068ceefe799f1c7790cc6b5016d6bbefb8e2bad6809c726bfc1c795cbb9a6ce |
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font_01_sfnt_off00011138.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11138 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001294f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1294F | 10924 bytes |
SHA-256: 7bd26d3ca5bd46ac15b2e31a3a91ea0661f024c9687438e7383c78a2a0ad547e |
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