MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://autoskola-scp.com/files/surixirijupop.pdf In PDF document text
- http://malabarisproducoes.com/arquivos/files/dudop.pdfIn PDF document text
- http://szsahsh.com/uploads/files/webotefa.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd1a2ce72e---19335276878.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/tilupu.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/gupawivi.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/8944353259.pdfIn PDF document text
- http://futimisdev.com/userfiles/file/tijiniladomopufejusov.pdfIn PDF document text
- https://baruipur.org/ckfinder/userfiles/files/81103176722.pdfIn PDF document text
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/senavefegoza.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210906194946.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/lunave.pdfIn PDF document text
- http://udokutscher.de/gfx/userfiles/files/zexapelawefenarudawopex.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/pidoz.pdfIn PDF document text
- http://lollanaclinic.com/image/upload/File/fuvegiwu.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/30568922759.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/85667332718.pdfIn PDF document text
- http://sporteambiente.it/ckfinder/userfiles/files/jovirip.pdfIn PDF document text
- https://wineuniverse.us/userfiles/file/buzoxivapet.pdfIn PDF document text
- http://vantaidongsaigon.com/uploads/files/30960845384.pdfIn PDF document text
- http://kpdb.org/userfiles/files/varofekajudelod.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/87f5aae4c8bc5845546e36c773cd2c7c/65977756026.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/6238f38ad95f9a077393ebfa466b582d/99241764766.pdfIn PDF document text
- http://vagtteam.dk/userfiles/Files/volulonex.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=polarr+filter+camera+app+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_off0000d8e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E6 | 10616 bytes |
SHA-256: 275a883e1a5f60c15346724bf63243b3c578945a3247093a226e4560572b58d8 |
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font_01_sfnt_off0000f119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF119 | 17340 bytes |
SHA-256: ecf7a4dc88fd23de63893f25f79643ff242a08828a8731f65f3c81190139b7ba |
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font_02_sfnt_off00011d46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D46 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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