MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. It contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The primary attack pattern involves luring users through these links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://coretry.ru/uplcv?utm_term=imo+free+video+calls+and+chat+login PDF link annotation
- http://bettynblue.com/upload/fck_img/20210908/file/zufiweperexavelu.pdfIn PDF document text
- http://foxgraphics.paulsfashion.in/files/nemerodudu.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136152ac3582---50139865436.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a62cb1fac---57932121792.pdfIn PDF document text
- http://sitarofindiamd.com/userfiles/file/44794060928.pdfIn PDF document text
- http://v-lukomorie.com/uploader/files/52681417742.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/17628479922.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/b2vgsu8m189bd8p032lgtfpnk7/jomeziwojoravixutun.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/21174120911.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/mibofuzituluravofuxe.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/c49od2qqbcv2cjis331qlcdoh1/texapuvenom.pdfIn PDF document text
- http://busankid.com/webfiles/board/file///vovegugafigaz.pdfIn PDF document text
- http://japanbizkorea.com/userData/ebizro_board/file/17421796864.pdfIn PDF document text
- https://malabarmail.com/ckfinder/userfiles/files/dogagafoxase.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/61840183851.pdfIn PDF document text
- https://ecoverservice.be/gallery/file/26767929187.pdfIn PDF document text
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/bogumapajinevenugenifuga.pdfIn PDF document text
- https://butagallery.com/userfiles/files/32058408501.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/64984252435.pdfIn PDF document text
- https://jurvamartin.com/userfiles/file/wokodasalukasofijiga.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/0543e81c3e63471ccb388bc4bad91e5d/sewuxotekim.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_off0000d78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA4 | 10940 bytes |
SHA-256: 8c7084ffe2d95bf073bfcdf8e69e3efcaf8e8e7644a967453ec472660cfdfaad |
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font_02_sfnt_off00010892.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10892 | 17428 bytes |
SHA-256: 5d2742e565cb95cd52d39f104900a7d162672f306a42e18852233431e24318d2 |
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