MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed for malicious redirection. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm and a potential QR code lure. The presence of numerous external URIs and the overall structure suggest an attempt to direct users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://chcial.ru/uplcv?utm_term=shakti+latest+episode+online PDF link annotation
- http://ubest.ru/images/file/18867387634.pdfIn PDF document text
- http://wawa757.com/uploads/files/5392883038.pdfIn PDF document text
- http://prestopc.it/upload/file/jokegog.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/vaxowabomapipubinomefaga.pdfIn PDF document text
- http://harasim.cz/uploaded/files/widokelefel.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/e2jau1sksjj8bnlrl6qes1s92u/ziwir.pdfIn PDF document text
- http://khojedu.net/userfiles/file/89312805099.pdfIn PDF document text
- http://hankyunget.net/userData/board/file/sifiv.pdfIn PDF document text
- http://etnorom.hu/pictures/mipumedutukovumevinikesoj.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c8179ee6b---61996051328.pdfIn PDF document text
- https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/ligusitow.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/57950624576.pdfIn PDF document text
- https://ost-fogging.com/upload/files/divaxudizupew.pdfIn PDF document text
- https://4of100churchstreet.com/assets/media/files/kenutiwubodamulol.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///xitimisagupuxikedukume.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/b7ff0fc8393b82874f03fd1fdcfaec2c/jamutirowovikegonugokano.pdfIn PDF document text
- https://sapporopools.com/contents/files/23881695701.pdfIn PDF document text
- http://pomodorolennep.de/gfx/userfiles/files/5792736342.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/fenopepoxosamaxupot.pdfIn PDF document text
- http://graciaindoutama.com/kingkong/userfiles/files/wuzesuvesogokisumusul.pdfIn PDF document text
- http://pasaru.com/upload/files/miwajelodekuvakepebedej.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/sejuzanuzu.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_off0000c0e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0E0 | 17464 bytes |
SHA-256: 3fd2972ef08c4c082d1f495696c399dcc67320f04329f79f187f93f6c32c87df |
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font_01_sfnt_off0000ee4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE4E | 10556 bytes |
SHA-256: 8e1558f3e4a9a44bb0fbb470170ff8a35260992a45e7a7c97de7f114c623f030 |
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font_02_sfnt_off0001064c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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