MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, with the PDF_SEO_DISPOSABLE_LINK_FARM heuristic confirming the nature of the link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://mrybalko.ru/files/8969345088.pdf In PDF document text
- http://box8websites.com/ckfinder/userfiles/files/45339822357.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076eea310eaa---63920760246.pdfIn PDF document text
- https://allianztc.ro/files/file/tekopu.pdfIn PDF document text
- https://primer-spb.ru/files/files/tamagufomarusoj.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/fevasetukusob.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c26920c7df7---6368463262.pdfIn PDF document text
- https://responsible-tourism-alliance.com/content_file/files/49767760780.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/71170067025.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/jumafapotidexiju.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b19c3766d---2558923314.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/fudelumasigagifabadodet.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/faboj.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088bfad0bc5f---dixadumofetixatemisa.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/59f8d261645ce8526bff1835969e302a/75424254156.pdfIn PDF document text
- http://nguyenquangcomputer.com/upload/ck/files/kisaxodudubunanagidaleti.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/0hkrhddcrjc7mlqjadjfheuon7/jojesetexowusuxi.pdfIn PDF document text
- http://progfin.pl/userfiles/file/zutixuxibaluxujanixilan.pdfIn PDF document text
- http://nineslash.com/user_file/file/85520597887.pdfIn PDF document text
- http://somogroup.vn/ckfinder/userfiles/files/59211453635.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d902411e924---juwivoxifoxogosu.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/c72b603f4ce53e24785b60d2c00d2b2f/kurexiv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=java+eclipse+tutorial+pdf+deutschPDF 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_off0000e136.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE136 | 10772 bytes |
SHA-256: 1a1fdd0666740937a8c71f9539cbb5783ecb06546bf9ad7f5d3c3ad8d93b956a |
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font_01_sfnt_off0000fa29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA29 | 19540 bytes |
SHA-256: 20e5beecfcba874183f43ab13ee0d28ba10b907f5a8c05300bf7e01c93c4ccd0 |
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font_02_sfnt_off00012dbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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