MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16133b95fd8e41---gojakagebixevitene.pdf In PDF document text
- http://nhuaduongnhapkhauaz.org/upload/files/38736014399.pdfIn PDF document text
- http://svsteinfurth.de/radsportfiles/file/xubavomubinonogowum.pdfIn PDF document text
- https://erdenetpost.mn/userfiles/files/97505574656.pdfIn PDF document text
- http://balie.overeembv-profielen.nl/upload/files/73090780719.pdfIn PDF document text
- http://xn--365-pn7mwb654m2qn.com/ckupload/files/62142821082.pdfIn PDF document text
- https://moveo-sport.pl/userfiles/file/28438376512.pdfIn PDF document text
- http://vetranhtuong.info/luutru/files/48001728705.pdfIn PDF document text
- http://siamintertrade.com/file_media/file_image/file/xoxebixopapizogan.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143533d6f56a---pupugavinubewebimapupak.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/32080502209.pdfIn PDF document text
- https://asfus.net/virgsurv/userfiles/file/zizazofitadajatebimeni.pdfIn PDF document text
- http://e-hematologica.com/users/file/34764855267.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/19896697352.pdfIn PDF document text
- https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/jirodakose.pdfIn PDF document text
- http://proallprint.com/userfiles/files/75263207847.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/sasimirewezixuxada.pdfIn PDF document text
- http://ruihuitax.com/files/file/88096373746.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613408dcc5808---zinebatuzuda.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/kanaro.pdfIn PDF document text
- http://furniture83.com/upload/files/vijunapowumisukes.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/56711469970.pdfIn PDF document text
- https://stepweystudy.com/ckfinder/userfiles/files/davuvujuvilalaviduvug.pdfIn PDF document text
- https://laptoptranganh.com/data/dulieu/files/36241790008.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/fufuxemagikeferonogobopol.pdfIn PDF document text
- https://aslplastic.com/ckfinder/userfiles/files/99738690506.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=app+para+crear+aplicaciones+en+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_off0000e0b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f8c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C9 | 19372 bytes |
SHA-256: a1a8f3ea7f8397702051eae1016ee1a3b8c2012e337d31bc4239bd8edc9121d3 |
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font_02_sfnt_off00012905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12905 | 10392 bytes |
SHA-256: b1f3120488aaf713e0a31d358bf3829ffefafe5df416997d87696ccc0d1a1be9 |
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