MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to various websites, some of which are hosted on compromised CMS uploads, suggesting a link farm or phishing lure. The presence of these links and the nature of the heuristics indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://crysiq.ru/uplcv?utm_term=pokemon+sapphire+cheats+codebreaker+rare+candy PDF link annotation
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc3e2dc85b---radagunubebosagazinob.pdfIn PDF document text
- http://azco.friend-match.com/upload/files/mitesasutukowa.pdfIn PDF document text
- http://maurovalleferroarchitetto.eu/userfiles/files/82247702775.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/kevasosotaxiw.pdfIn PDF document text
- http://cocoon-source-harmonie.fr/public/file/53235701599.pdfIn PDF document text
- https://raselapp.com/userfiles/file/dumivapafonepodituko.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/e80c6a9d8de05a10b000d393f8b9946d/wixuwivubuwugoxivogewib.pdfIn PDF document text
- https://sharedsynergy.com/userfiles/file/96877026192.pdfIn PDF document text
- http://teamtrinity.net/trinitya/file/7477461009.pdfIn PDF document text
- http://upsshop.ru/ckfinder/userfiles/files/4987247325.pdfIn PDF document text
- https://iwistw.com/upload/files/xegilebavideweg.pdfIn PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/xoduxiwel.pdfIn PDF document text
- http://letdentalab.com/img/files/jomesigaxafagamowo.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/tudisatapepiguzezukofezox.pdfIn PDF document text
- https://peterdegendt.be/file/42817208129.pdfIn PDF document text
- https://hanyauntuktesting.com/contents/files/11528312818.pdfIn PDF document text
- https://hunghiephuylog.com/upload/files/29181672964.pdfIn PDF document text
- http://northmarking.com/userfiles/files/41986122593.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161310b1c4a81a---67160314762.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147f30d856f8---57427892692.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/lopakevipijik.pdfIn PDF document text
- http://105chers.netsociality.com/upload/files/gepobat.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/51840824027.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_off0000b263.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB263 | 15960 bytes |
SHA-256: fb23bc873fcc00d9abc91133408b011bc8df61d7ea57c9f1f088d08377cf8042 |
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font_01_sfnt_off0000db2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2C | 11080 bytes |
SHA-256: ae5b81a43d48f7686c98184dc77b028b9f3f3cac226fd9fdb4759e9abb3778c8 |
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font_02_sfnt_off0000f4a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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