MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high likelihood of this document being used for phishing or distributing further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
Heuristics 5
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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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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://laborke.ru/uplcv?utm_term=free+fire+fortnite+skins+generator PDF link annotation
- http://zgic.ru/!upload/files/33339987422.pdfIn PDF document text
- http://dentali.cz/files/files/ronaj.pdfIn PDF document text
- https://oriontradecom.com/ckfinder/userfiles/files/watub.pdfIn PDF document text
- http://vandofigueiredo.com/userfiles/file///bulusififekevipetur.pdfIn PDF document text
- http://yusungchart.com/userData/board/file/3138945043.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021090615054580554.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/96694412380.pdfIn PDF document text
- https://olivierdaulte.com/ckfinder/userfiles/files/duzibimusovifefejatapuzu.pdfIn PDF document text
- http://eot.mn/uploads/userfiles/files/37105951174.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/nelaxazowenemofujalo.pdfIn PDF document text
- https://anitacalderon.com/ckfinder/userfiles/files/92809609268.pdfIn PDF document text
- http://mps-india.com/userfiles/files/49468223034.pdfIn PDF document text
- https://thehouseconcert.com/ckfinder/userfiles/files/jigukuwisalaxisow.pdfIn PDF document text
- http://associatedreclaimed.reclaimedoils.com/userfiles/files/82196796854.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150419ee6d24---12950949364.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/53517187285.pdfIn PDF document text
- http://dae-young.kr/upload/fckeditor/file/12473735999.pdfIn PDF document text
- http://perfect-gallery.com/userfiles/file/20255792171.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/60209290007.pdfIn PDF document text
- http://playonathletics.com/userfiles/file/25919159437.pdfIn PDF document text
- http://anm-av.de/uploads/files/zonedodubozetebak.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130eb70094b6---76227976350.pdfIn PDF document text
- https://giaiphapthietke.vn/media/file/files/89250874144.pdfIn PDF document text
- http://btfa.tw/upload/files/soxolugerozaxepe.pdfIn PDF document text
- http://familie-schiecke.de/images/file/13071076250.pdfIn PDF document text
- https://haidangpc.com/contents/files/72995286160.pdfIn PDF document text
- http://ephtour.com/FileData/ckfinder/files/20210927_5D8F8788D3F93805.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_off0000bc4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC4E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD460 | 17988 bytes |
SHA-256: e1e59c71ab2b2abc1a5d9624d53dec29850708665abe07b4268ebef8cea32c9a |
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font_02_sfnt_off000102a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A7 | 10412 bytes |
SHA-256: 858c15113009cc9357c69599ef841c86ad6a43b6e398854391cd4da7c65de697 |
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