MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with several heuristics indicating it functions as a link farm. Some of these links point to compromised CMS upload storage, suggesting a tactic to host malicious content or redirect users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://brtim.com/uploads/wysiwyg/files/71037468965.pdf In PDF document text
- https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/famamibemabotul.pdfIn PDF document text
- https://drinkpoint.com/uploads/files/55913917324.pdfIn PDF document text
- http://jinsonmetal.com/Upload/file/wekodi.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/a2366128e60b6fdd822e364cce388369/suzibaxek.pdfIn PDF document text
- https://www.weboonline.com/ckfinder/userfiles/files/jerise.pdfIn PDF document text
- https://hunde-katzen.at/soubory/gudozupokosuz.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210901_053829.pdfIn PDF document text
- https://shipnhanh247.vn/asset/files/fovaw.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/396298edd25b0ba28d152eee11382ac4/19946750684.pdfIn PDF document text
- http://shopsuathientu.com/uploads/userfiles/file/disux.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/jabejuduvoju.pdfIn PDF document text
- http://medwin.kr/userData/board/file/84067420279.pdfIn PDF document text
- http://ithalattagarantibelgesi.com/resimlerfiles/zoridov.pdfIn PDF document text
- https://foodvellythailand.com/upload/files/18668189212.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/2021916199468990.pdfIn PDF document text
- http://77owship.netsociality.com/upload/files/82599166886.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/zanoxosesomoxobavibasezar.pdfIn PDF document text
- http://vce34.ru/attachments/file/xinowevovuvuvulodiko.pdfIn PDF document text
- http://dywin.com/uploadfile/files/wuvorovi.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/f38f68159572214c7a892b863fec1da8/3709181657.pdfIn PDF document text
- http://bn-biz.com/userData/board/file/bosolomoputirixi.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613cab00cb7ec---xaxosowatojitajalu.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/dfaba3cd9737dff805860a293e81f815/wajugezozipijejivoxudul.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=nice+words+beginning+with+uPDF 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_off0000bdf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDF4 | 17384 bytes |
SHA-256: 275d7633a70898a658e9c1f489024cabd39bcb1d9cf888393d5ad2046e22bdd8 |
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font_01_sfnt_off0000ea9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000102b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B1 | 10744 bytes |
SHA-256: bce89fd09e8e01946b3513864d546ef774f53beb0cf44ad40e8b765bbcbfe69b |
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