MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded URLs, such as the one hosted on 'antik-cafe-bergen.de', are likely used to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://cityface.cz/res/file/tuvepuwamedamijejewet.pdf In PDF document text
- http://kawoka.com/userfiles/file/43073909130.pdfIn PDF document text
- http://minuspk.ru/minuspk.ru/userfiles/file/siguku.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f67e0f0b97---4889930338.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/kakigasi.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613248135bc88---wegosana.pdfIn PDF document text
- http://hamkr.com/userData/board/file/33723402578.pdfIn PDF document text
- http://multi-accueil.fr/ressource/site-image/files/mijiwavajasesutolom.pdfIn PDF document text
- https://euforbiabulgaria.com/uploads/pages/files/3104202957.pdfIn PDF document text
- http://aotwcasino.com/ckfinder/userfiles/files/bazodo.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/13377129954.pdfIn PDF document text
- http://www.koeru.eu/failid/file/bubamazoj.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613acd4704f53---xijogitigufajawuku.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/760026893.pdfIn PDF document text
- http://kleinschadenexperte.de/userfiles/file/98469003184.pdfIn PDF document text
- http://519pf.com/userfiles/files/30327483758.pdfIn PDF document text
- http://bakoca.hu/files/file/sisaf.pdfIn PDF document text
- https://verner.lt/images/files/zonumezofez.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/tibovidagegakises.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/wilugimoxudunosoxu.pdfIn PDF document text
- https://clickbox.ro/images/file/28349456061.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef1d12bec3---10482893515.pdfIn PDF document text
- https://hotellemaritime.com/hotel/upload/files/45046507015.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/gurutuju.pdfIn PDF document text
- http://hotechike.com/files/files/duzolosetewu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=abcd+movie+online+watchPDF link annotation
- 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_off0000f691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF691 | 10640 bytes |
SHA-256: 8d1fe221fb2fd9fb4d53a356049cd13086f6ad3c433ecf5878b9f60a85514964 |
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font_01_sfnt_off00010ec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC9 | 17520 bytes |
SHA-256: 0233ece3b500db0e397e45a2ea2505e052ded0059e07a4c557812c31a5d0b07e |
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font_02_sfnt_off00013bd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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