MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting an attempt to redirect users to phishing or malware-hosting sites. The presence of external URIs and link farm characteristics strongly indicates a malicious intent to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://catamma.ru/uplcv?utm_term=maori+for+well+done PDF link annotation
- http://anhbanglaw.com/userfiles/file/20695095639.pdfIn PDF document text
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988629319d5---96653939837.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/8641eb9253cf5e6a83505116a3727966/39338228937.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/d9c553b98b160b381c761d8a743e5ce4/gapobozejunigi.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160920027ef57d---xilugotuzojor.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b421b6d8633---18678073583.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/61u7ib8h33k6rjf0grl7ek41r7/simininaberubim.pdfIn PDF document text
- http://auxerretv.com/content/public/file/87199561357.pdfIn PDF document text
- http://bclgrouptt.com/userfiles/file/57869348573.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff15c5659c---pidibugiraw.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1fb6b8e2e---50877710949.pdfIn PDF document text
- http://berbun.com/user_img/file/35649749432.pdfIn PDF document text
- http://tremonttemplemacon.com/clients/862779/File/nevajarorep.pdfIn PDF document text
- https://akarchlight.com/wp-content/plugins/super-forms/uploads/php/files/8aeb531c50f2654e9a8f35de1ebbab59/siziragojesi.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/22c7406e69d0bf59aac3b8d5fc15b444/83350689946.pdfIn PDF document text
- https://argumentua.com/i/file/86259225461.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870cd684931---pufigawoxelilar.pdfIn PDF document text
- https://alves.bg/ckfinder/userfiles/files/vigatamititu.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160731a026f23b---75235166897.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/madaj.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a2c09dd5a---78210240570.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a931ccce6f---xewim.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe6249b712---47197010372.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/darmea72fbneq3jb5jd3h9fc3h/6720141335.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160904522077d6---mapisiwixogonironafe.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/vjonce1259ld0f85g4quo3qpe2/33620708363.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a625a84819b---mopudu.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/19947dc88dd1e5077d3f3bde17477bbc/gefobupoji.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_off00010a25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A25 | 18712 bytes |
SHA-256: 2485a9b91b89c9efdc9927d5e7bd86eb256cb66f609a69d90415f7891c2b04f7 |
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font_01_sfnt_off00013a7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A7A | 10160 bytes |
SHA-256: bbdaffeddcff8c2878a42a1b477185a0282471da008006362d32eafd3004b0a9 |
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font_02_sfnt_off00015153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15153 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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