MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs, many hosted on disposable domains or compromised CMS uploads, designed to redirect users to potentially malicious content. Heuristics indicate this is a link farm on disposable hosting and that the PDF itself is likely a phishing or malicious document. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://drafthe.ru/uplcv?utm_term=english+business+conversation+practice+pdf PDF link annotation
- http://xn--b1adbbbaeqjtsflbfms0e.xn--p1ai/pict/file/sikewowati.pdfIn PDF document text
- http://officeharbor.com/pdtInfo/legulupefufiriruz.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161427811eae0f---69537985582.pdfIn PDF document text
- http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/zofoxenozerikor.pdfIn PDF document text
- http://ondrejkocar.cz/img/file/juvetajutivi.pdfIn PDF document text
- https://kanat.com/upload/ckfinder/files/41779868338.pdfIn PDF document text
- http://xn--80aa5alfu.kz/file/ginofuxubaguwelez.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/30868515833.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a401aac6e9---15545144213.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/20116232916.pdfIn PDF document text
- https://virker-ikke.dk/files/badovevapukup.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/67691859359.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161465ecc1965d---13898153617.pdfIn PDF document text
- https://aayams.com/userfiles/file/gorenomukuxotus.pdfIn PDF document text
- https://nergizleryapi.com/image/files/satazotor.pdfIn PDF document text
- https://arbormaster.net/uploads/files/gowosojuwufofiw.pdfIn PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/19874557202.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/58981153295.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/68390277440.pdfIn PDF document text
- http://caytrong.vn/Images_upload/files/nakeboluwoxo.pdfIn PDF document text
- http://idcla.net/upload/files/raxulositizizizuv.pdfIn PDF document text
- https://fcr-fomentoconsumoerenda.com/uploads/files/werenibutigejasez.pdfIn PDF document text
- https://emtracing.net/userfiles/file/kagubabamodiro.pdfIn PDF document text
- http://smolensk-bakaleya.ru/userfiles/file/madesozupepadilemupavad.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_off0000b29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29B | 11188 bytes |
SHA-256: 4ccc5f71fabb1fa41e3b9f1cc8c99e66d1e35659d1e9689cb5fc1046e709e9e2 |
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font_01_sfnt_off0000cc4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4A | 14812 bytes |
SHA-256: ccd6702c1dd9ae39ff48521140853549db6518b25fa1ef242edb00bb02e97400 |
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font_02_sfnt_off0000f133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF133 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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