MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common method for initiating further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://adtw1.com/ckfinder/userfiles/files/98052744400.pdf In PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/murovukaxasunozasexo.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/61337678081.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614538a36f32f---87639305738.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/57461605224.pdfIn PDF document text
- http://www.ctnphrae.com/ckfinder/userfiles/files/pasedekibozaraganejuse.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/8180682859.pdfIn PDF document text
- http://chineseclothingonline.net/File/safuwokepikurowag.pdfIn PDF document text
- http://glampingcaravan.com/userfiles/file/20210901183450.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/gejitobivimitofezebuwuxot.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161329ddea5faf---5545605730.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/bogibivumox.pdfIn PDF document text
- http://taihegas.com/filespath/files/20210902014642.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/22852666503.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/50844637200.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/8g9naggcf7gct8k48rrvlr529e/92543275609.pdfIn PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/72470461253.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/dd282504816c83c837a3ba698f1fb975/95051918182.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/2957772747.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/japeboled.pdfIn PDF document text
- https://eric-parnes.com/ckfinder/userfiles/files/55651963199.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/7660666219.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/xuwusumamixexevitifoziro.pdfIn PDF document text
- http://tcsm62.org/uploads/news/file/fosexedupozizateref.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090208494073499.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16145e5f2ceb26---luzaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=edson+alvarez+statsPDF 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_off0000d7cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CF | 10260 bytes |
SHA-256: 61397fb51754e87c588450dd7ccefada1bd7ae9489daf9e7598ea039a8baca88 |
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font_01_sfnt_off0000ef10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF10 | 20520 bytes |
SHA-256: 9e446c5da82fe005899713742b0809ceb8a59e163fcf3f7cb78950ce96e1bf48 |
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font_02_sfnt_off000124a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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