MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a significant number of external links, many pointing to compromised CMS upload storage and disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://sapsda.org/SapmaUserfiles/file/zigodexa.pdf In PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614b7a80e8e29---xedifuwobed.pdfIn PDF document text
- http://xmzhj.com/UserFiles/file/tunekiwa.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/nulawedojosunepezurox.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/woduxigitokezex.pdfIn PDF document text
- https://ms1oke.com/contents/files/gavizivifurekatoset.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137376cadb19---gozusuzukijirufabi.pdfIn PDF document text
- https://textosolutionslinguistiques.ca/upload/editor/file/341313873.pdfIn PDF document text
- http://7m-shop.com/userfiles/file/gudis.pdfIn PDF document text
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/660278432.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134fad86da7c---dakitubelowijewixetirag.pdfIn PDF document text
- http://condosworld.com/abisol1/userfiles/files/7298242201.pdfIn PDF document text
- http://cctsw.net/whly/up_files/FCK/file/20210919_011623_198.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/161475613edfbf---vonowetubuzawuxarif.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141ae4a1b30d---subizumolo.pdfIn PDF document text
- https://granitnet.hu/editor_up/wilogujum.pdfIn PDF document text
- http://fujavietnam.com/images/Download/tusoxubidovevazanivolele.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/66146368583.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/mexodibepodokijebim.pdfIn PDF document text
- https://mimpishiosatu.com/contents/files/48214898224.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/35579343322.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/75454960607.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=effective+rate+of+interestPDF 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_off0000b1b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B2 | 17792 bytes |
SHA-256: 6bb47341b883af621bf039489d0990d4dc78a0cb994c98d1bc8cf9892db105d4 |
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font_01_sfnt_off0000df86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f79d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79D | 10332 bytes |
SHA-256: 74176b58929939745baf64ed1ba8da82689ad06a17f9edc8da2f049ba487e248 |
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