MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://wastran.ru/uplcv?utm_term=how+to+display+over+other+apps PDF link annotation
- https://shian-jin.com/UserFiles/files/maritux.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/uhlndec0dggqsrsaj0lj0g8cm0/43966381605.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/zotuxadamizegefoginu.pdfIn PDF document text
- http://firsttimehomebuyerstudy.com/images/file/61448338418.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/76728214963.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/bf43a9864823d16ad40260b6b63975f5/3879849154.pdfIn PDF document text
- http://zjgyuanhong.com/v15/Upload/file/2021923129305276.pdfIn PDF document text
- https://tekstilkentrehber.com/upload/ckfinder/files/gedubudaxogepenulisobiker.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/790fb61cd0c12c49d07d204b41df0a27/8634426658.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/65092662047.pdfIn PDF document text
- http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210921101228.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/vezinadewurozofebaj.pdfIn PDF document text
- http://bellina.pl/userfiles/file/wapiwutesetibomanidamon.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/25596026191.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/9604592469.pdfIn PDF document text
- https://www.sterlingsez.com/ckfinder/userfiles/files/80458661943.pdfIn PDF document text
- http://goref.ru/files/file/kopanuso.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/3292271330.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/91210413015.pdfIn PDF document text
- http://gddfboiler.com/uploads/files/najufasalolavulizoxuxut.pdfIn PDF document text
- http://orikon.net/Images_upload/files/41298979526.pdfIn PDF document text
- http://thriftstorewebsites.com/flash/thriftstorewebsites.com/file/kubexipabu.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/kenixirebiluziz.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/lakunededebojexedibegi.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_off0000baa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d2bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2BF | 10640 bytes |
SHA-256: 8ce94ca83ac2aebaef71123f19ef85408fa11c0fbd2bfed2ea231ed1ac1a4cf9 |
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font_02_sfnt_off0000eb42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB42 | 18892 bytes |
SHA-256: 0e17477b740d620d77e103d43d2d96f93e52662f27b3ea1fbe291766f4db5f97 |
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