MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially harmful websites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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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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://pixomot.ru/uplcv?utm_term=pros+and+cons+of+custom+rom PDF link annotation
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/93628656236.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613072f42be9c---72085514934.pdfIn PDF document text
- https://marugame.hk/editor_upload/file/36602774552.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161462c10e2eda---86758168406.pdfIn PDF document text
- http://sualpturizm.com/userfiles/file/8517555791.pdfIn PDF document text
- http://carnow.jp/js/upload/files/50049361554.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/jugalesidogemuve.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/59456266925.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147d8212b3ee---3515072184.pdfIn PDF document text
- http://commandhousecreations.com/uploads/files/23943582172.pdfIn PDF document text
- http://dsagco.com/Upload/file/26750341044.pdfIn PDF document text
- http://gatewayhotelbangkok.com/upfile_hotel/files/88545950756.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdfcb88bbb---terojumigagaj.pdfIn PDF document text
- http://konemara.hu/userfiles/file/81856159091.pdfIn PDF document text
- https://kingbakerypans.com/userfiles/file/47445923197.pdfIn PDF document text
- http://ohadalegistrocbarter.com/ckeditor/uploads/files/zomuzukarawuw.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/cb4q7d2nh4k2c71m7cm4f4hgbo/xuxagosikutenemegi.pdfIn PDF document text
- http://4bzsoftware.com/Images_upload/files/palulusanafesef.pdfIn PDF document text
- http://hyundaihungthinh.com/uploads/images/files/zekolivagoweto.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/risezapebujapififu.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_off0000d63a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD63A | 18016 bytes |
SHA-256: bb37850d1d9953ee61d4362ea86d6688477790ee0ecdbe728c41d6831c2d82fb |
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font_01_sfnt_off000104aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC1 | 10468 bytes |
SHA-256: adc82850594eb87025db5aa367a07a59678e0fa49e42c07f91f4d6ad3aa5b901 |
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