MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress upload directories and disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of multiple external URIs and link farm heuristics strongly indicates a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://migger.dk/userimages/file/45706399119.pdf In PDF document text
- http://klick-tipp.at/ckfinder/userfiles/publics/files/91801485384.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/0e6a389bb009ff51e35fbb08cd2bd534/boziguzifemi.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021090413153716.pdfIn PDF document text
- http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/99652292216.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///20215296355455.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/7af9d8d47acf279ed3fb16cbb44382f5/jixusewuwol.pdfIn PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/6901056498.pdfIn PDF document text
- https://sabunwangi.com/contents/files/poboseziborujuzu.pdfIn PDF document text
- http://inbeeldt.nl/userfiles/file/xuzizibiborut.pdfIn PDF document text
- https://bandotrading.com/uploads/file/93338575785.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/97a613c02d3a9bd39a5dfb422e6564ef/pituponexopanufib.pdfIn PDF document text
- https://principesgs.com/userfiles/file/zazelilimukunolugebotil.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/dotonoxelu.pdfIn PDF document text
- http://hrjok.com/uploadfile/file/42174809750.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/43108516317.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb78c6c8dd8---27939744339.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/b7b40432887d58b57e1076da415fed55/55746284165.pdfIn PDF document text
- http://konferencii.org/web/uploads/assets/file/66168451120.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c81300c3c9---87464109401.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075614ab2a00---733450606.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e003147ec---13141517346.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/40111679276.pdfIn PDF document text
- https://muahohangnhat.com/app/webroot/uploads/files/wuvipedevuwasu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=development+plan+2034+pdfPDF 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_off0000dc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9A | 10860 bytes |
SHA-256: d13640c8913484be08e542cea5a61408731642b311ad47404290dac5f72ee2b5 |
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font_01_sfnt_off0000f5c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C1 | 17144 bytes |
SHA-256: 6ba6b0d385ad07c8800bafec080b6749e4dc646e53e12f995bc6a098f69f46af |
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font_02_sfnt_off000120d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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