MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous URLs, many of which point to other PDF files hosted on compromised or disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://mynigaoe.com/upload/file/20210911030159.pdf In PDF document text
- http://hanart21.com/files/userfiles/file/nufajekunodaja.pdfIn PDF document text
- https://estoniapools.com/contents/files/rirag.pdfIn PDF document text
- http://usarsenal.it/userfiles/files/56777035438.pdfIn PDF document text
- https://duvanco.be/docs/files/tikus.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/93321722218.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614006e231d1c---pikotivurodaxeludopogudot.pdfIn PDF document text
- http://keyflounge.nl/userfiles/file/ranisifotovot.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/e86bade25310ce7d9397dde16cb2b76d/30888397371.pdfIn PDF document text
- http://bloemenwinkelindex.nl/images/uploads/tiwarobutojowe.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/65264060130.pdfIn PDF document text
- http://villacappuccina.com/userfiles/files/70441389738.pdfIn PDF document text
- http://lovesenergy.com/file/divakivokegid.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210907173537.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a45280d31---40782073441.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/40070835535.pdfIn PDF document text
- http://anpharma.net/upload/files/jobotetazezukupukamugabiz.pdfIn PDF document text
- https://www.nhabe.com.vn/ckfinder/userfiles/files/34202473550.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/dekoverawekepejuzole.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/teselirolutonujozimubofo.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/ninopuwuroxiwanaluf.pdfIn PDF document text
- http://blpest.com/UserFiles/file/49856142362.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=shrek+2+watch+online+123moviesPDF 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_off0000d6e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eef8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF8 | 11156 bytes |
SHA-256: 6089b9de36c3b38d3de102add48d6ff114401fd73a340b0d36ce848d71629cc9 |
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font_02_sfnt_off00010906.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10906 | 18068 bytes |
SHA-256: 9140a674214d99dd1b65be55844c9f68a80b6fc4ad2ab2c9828cc28f2f265bbf |
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