MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised websites, many of which host further PDF documents. This behavior is indicative of a phishing or redirection campaign, likely intended to lead users to malicious content or exploit kits. 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://malabarmail.com/ckfinder/userfiles/files/29977453559.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/f242c8f5b2bf2dbd3d019e847a0207e2/65087247387.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/ecbc3860f15a8e5b909347e02d41e01a/sakodetumufujebojanoloxo.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160900d5d6d7d0---91295849746.pdf
- http://wellnesszeewolde.nl/site/data/ws/files/tejedimiz.pdf
- https://webtechnocrats.com/upload/file/91166956243.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd83d6ce51---7257943314.pdf
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/jipewaxuxu.pdf
- http://premsaktidal.in/userfiles/file/jejeke.pdf
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/xaxutiruwuviwenumalobipar.pdf
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608140fb6643d---tiruk.pdf
- http://kompletucetnictvi.cz/files/file/gadipipazoru.pdf
- http://c-amc.com/upload/files/95773007819.pdf
- http://linkipt.com/_UploadEditor/files/tubobutokodid.pdf
- https://aduanaldelvalle.com/userfiles/file/jawelafuliximifuvubajozez.pdf
- https://aartipalette.com/userfiles/file/61761036430.pdf
- http://aeronautike.com/userfiles/file/zuromipebaramudewosavuv.pdf
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c90e84ad49---dilazotafupilemilewojedu.pdf
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/ef6542be61b6a5d41af93df1f7f4b276/31570223256.pdf
- http://faurerom.com/userfiles/file/woluguko.pdf
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/67180490350.pdf
- https://duproject.com/uploadEditor/files/36768880202.pdf
- http://penzionklara.cz/userfiles/file/71691761711.pdf
- https://personnelcle.com/userfiles/file/kojebivadilijodino.pdf
- https://laurallo.com/ckfinder/userfiles/files/97496272215.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+tp+all+players+in+minecraft
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6b0.bin59694a5b466ac08fd34d49bc93bd4f8307d8c14ce60f44e893ae254909998d3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B0 | 10832 bytes |
font_01_sfnt_off0000ffbf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFBF | 16792 bytes |
font_02_sfnt_off000117d1.bin5d308b3729e3c95d325aa2ebb3d372c1bb4295fc839db2e071c2b5a3b84c71f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D1 | 17340 bytes |
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