MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous embedded URLs, many pointing to domains identified as compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 http://spamsmsgiare.com/media/ftp/file/98532021980.pdf In PDF document text
- https://dolupin.com/calisma2/files/uploads/givexobaduzuwe.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210915140225_1398553757.pdfIn PDF document text
- http://szpitalstrzelin.pl/userfiles/files/15180506921.pdfIn PDF document text
- https://mimpishiodua.com/contents/files/ziwijuwesetofapi.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/fuxifokeduwupasum.pdfIn PDF document text
- http://kystar.net/filespath/files/20210904073807.pdfIn PDF document text
- http://ijfbn.com/editor_up/15846972624.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/39793655570.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/79b9bece599d7abf3d5d845426fb01c3/banukijifuvurumowunirim.pdfIn PDF document text
- http://scard.vn/app/webroot/uploads/files/wunoxuritufirozosojoliw.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/59986497887.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/30942379409.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/kerifedamowebawopirilex.pdfIn PDF document text
- https://b2bircruise.travflex.com/bot/ckfinder/uf/files/faxuv.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329b9a94bf8---zuvolapivojesudumizo.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2e5f0adc6101fc2201beb40e81422a58/dagipajiguzexarovudemer.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/varerimexisivusa.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/75786959766.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210910023052.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/97364135951.pdfIn PDF document text
- http://www.evisiontiendaonline.com/ckfinder/userfiles/files/74470929017.pdfIn PDF document text
- http://infinity8talents.com/userfiles/file/vemifuwarezivinevusegap.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/kiwivafomixetulejubipa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=classic+arcade+games+for+androidPDF 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_off0000b0cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E4 | 10752 bytes |
SHA-256: 50e40bfc0240e3dc2615042fffb9f3d70f4cda838c8db0cf596b2a7a9f037d5a |
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font_02_sfnt_off0000e158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE158 | 14640 bytes |
SHA-256: 4964844532a924e22cb1f95b36832cb54f4087c98829145b7ae0ccd6d359fe52 |
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