MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous URLs that point to potentially compromised websites, likely as part of a phishing or malware distribution scheme. The presence of multiple links on disposable hosting and compromised CMS upload storage further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://studiolaviano.it/userfiles/files/96698540144.pdf In PDF document text
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160821ce519ce8---94089279297.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b737f7c1650---taxogatatebibotubagofiso.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/xavenus.pdfIn PDF document text
- https://balaji-technology.com/userfiles/file/63382308886.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/fabf8d7f7b454a112a316ed37e6d6b20/43081678523.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/weneza.pdfIn PDF document text
- https://energooptima.hu/upload/File/90681278877.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c70bb0503d8---33885932097.pdfIn PDF document text
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/c176bd132923102bd2efe2ab80c02038/tumerelilozilo.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/548669be4e578074417074c8a1424ce8/85632047959.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/67701d420032d2fb77499ee55bf2f296/55306292269.pdfIn PDF document text
- http://artdealer.vn/upload/fckimagesfile/c1128e66a5383fdab7c6a9e4456abc72.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071826c99f03---59788576854.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/90940318912.pdfIn PDF document text
- http://project-lovcen.me/userfiles/file/jewap.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/69vhu092pjr62q83k690lcm4ac/35921246134.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=songs+on+the+radio+nowPDF 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_off0000bedb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEDB | 16596 bytes |
SHA-256: e63264a5d9935005f6b40db2f66eb57625f56dd78e98012fb63c9b17bf9e2fa9 |
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font_01_sfnt_off0000e9b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101CD | 10640 bytes |
SHA-256: c600f2f30a3a464d7343fb9423382f6c8bd87f7ae077af035cc22a9d27b9fc71 |
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