MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm containing numerous external URIs, many hosted on disposable or compromised domains, suggesting an attempt to lure users to malicious sites. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM firings reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://chcial.ru/uplcv?utm_term=kgf+full+movie+hd PDF link annotation
- http://visusmarble.com/images_upload/files/jekomogubavikukaga.pdfIn PDF document text
- https://trainova.com/userfiles/file/mugubunovep.pdfIn PDF document text
- http://kaies.net/upfiles/file/63249868899.pdfIn PDF document text
- https://pianoinprimopianofestival.com/uploads/file/99288739760.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bbb61b1dba---rakegujotudibevijesariw.pdfIn PDF document text
- https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/97226368312.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/64f639883ef0bfe5d8f4161cc21abfa5/51327448234.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/kibobupigulepazi.pdfIn PDF document text
- https://safrano.pl/userfiles/file/vudavajibuwefoxup.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/74257176242.pdfIn PDF document text
- http://langyupharm.com/upload/files/49724591910.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/du2fd80601dtiq92culb3ji587/53563700944.pdfIn PDF document text
- http://naoshima-habitant.com/images/blog/file/jubonaberoxikebosawur.pdfIn PDF document text
- http://istihdamhaberleri.com/upload/ckfinder/files/37501490059.pdfIn PDF document text
- http://kuresi-kaitori.com/upload/content_pic/files/10858109877.pdfIn PDF document text
- http://elijasprojekts.lv/files/file/5290229210.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/lurumixutegom.pdfIn PDF document text
- https://raguvosbaldai.manovonia.lt/images/files/92728680309.pdfIn PDF document text
- https://dynasty888.com/image/files/20210911_180224.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/xujurolitazisavurifok.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/7389392101.pdfIn PDF document text
- http://phonphangschool.com/upload/files/sexekibirafidivizu.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/katesorinarak.pdfIn PDF document text
- http://hoinhikhoavn.com/img/files/novowus.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/20704026794.pdfIn PDF document text
- http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///numixopibobefexagov.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_off0000dc23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC23 | 10328 bytes |
SHA-256: d382ef921a08fe914b90b748e2da1bc9801ef7149b3a3697dcb5957b30dd7526 |
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font_01_sfnt_off0000f32c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32C | 20176 bytes |
SHA-256: 5f9f7fc833aea42e73d922dadea09dc5b6c241cab0d22313ec0b4850bbf84593 |
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font_02_sfnt_off00012887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12887 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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