MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, but the structure and embedded links are indicative of a phishing or redirection campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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://ketchas.ru/uplcv?utm_term=how+to+cast+using+mi+tv+stick PDF link annotation
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebc10b39fa---belejijoxidemaka.pdfIn PDF document text
- https://ppntassone.it/dati/upload/file/65550098759.pdfIn PDF document text
- https://yennenga.org/business_school/uploads/file/52413055076.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161312a64d4d1f---75787592176.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/4090378286.pdfIn PDF document text
- http://interno-kazan.ru/upload/files/pikabe.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/70375939403.pdfIn PDF document text
- http://daydeothe.vn/rich_editor/file/99029358863.pdfIn PDF document text
- http://htbestcomputer.com/media/ftp/file/zojofefokok.pdfIn PDF document text
- http://gonganmi.com/userfiles/file/61782827988.pdfIn PDF document text
- https://predial-rua-nova.pt/056-CovadaLua/images-editor/file/93864054674.pdfIn PDF document text
- http://gainliving.com/upload/editor/file/32879851713.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/babatagiwosakewa.pdfIn PDF document text
- http://theemasternetworker.com/ckfinder/userfiles/files/13482942451.pdfIn PDF document text
- http://nrgmedia.hu/files/file/sinasakipidamulogakali.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161355a94db01f---zifijodokemedumimegoke.pdfIn PDF document text
- http://airholic.com/UpFiles/WebEditorFiles/file/64517521460.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/jonawofijoxixi.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/zutufejorivo.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/safoja.pdfIn PDF document text
- https://e-fasteners.eu/media/file/34138886494.pdfIn PDF document text
- http://savvyais.com/userfiles/file/rarokutoruxaz.pdfIn PDF document text
- http://eventologia.com/userfiles/files/soruvenejibi.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/39410052020.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/powenefeduzozawet.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_off0000b994.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB994 | 18668 bytes |
SHA-256: 1b29db57be64d330d72cd9f60474902fd535067b04faceb6beca03d7338da5a9 |
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font_01_sfnt_off0000ea28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA28 | 10632 bytes |
SHA-256: c0a2c686f00b1f7b1c20ef3de041528d9e14bd90477c0b420cec582b7c47079d |
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font_02_sfnt_off00010289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10289 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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