MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that likely lead to further malicious content or exploits. The presence of multiple PDF-specific heuristics related to compromised CMS uploads and disposable hosting reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.8821
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://sbs-group.co/userfiles/files/sarukonapigupe.pdf In PDF document text
- https://gadd-asso.org/userfiles/file/delidux.pdfIn PDF document text
- http://ourhkg.com/UPFILE/userfiles/files/91015621600.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/d607d040fccc5ef9c70e79e8699e51de/78802421581.pdfIn PDF document text
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/80193f7f13be9ebff08f705856e84985/78680452794.pdfIn PDF document text
- https://budgetparking.ca/admin/uploads/file/20700815821.pdfIn PDF document text
- http://sotel-perm.ru/site/file/29986201800.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075809f3db56---39896016004.pdfIn PDF document text
- http://dtpokebar.com/uploads/files/gurulemivefawi.pdfIn PDF document text
- http://hungthanhauto.com/luutru/files/mipunofasabutemuwiwaperi.pdfIn PDF document text
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608079f383ce0---5013480825.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/zefimifubozudemenupa.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/ketexijefula.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/40266153592.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/61533624482.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6399b9c7a---fukasemukemoz.pdfIn PDF document text
- https://noventa.cz/media/files/file/sozajes.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ee82e9e9e---tuzenipeta.pdfIn PDF document text
- http://penzionriverside.cz/files/file/damesusafujipi.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16097f307ddaf1---wujavifejotif.pdfIn PDF document text
- http://forter.vn/hinhanh/file/52667538055.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=ae+dil+hai+mushkil+movie+video+downloadPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011850.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11850 | 10640 bytes |
SHA-256: cfe3efc7fa1fdff198229675297eb61f82ef49ec1e92bcd2a3b770c993f3b741 |
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font_01_sfnt_off00013083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13083 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014894.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14894 | 18776 bytes |
SHA-256: 3ded9aaca2ef9e6c6e95cee9882111b9cda0db582afcb602817e0619031ab472 |
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font_03_sfnt_off0001667a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1667A | 17712 bytes |
SHA-256: 3c6d6da6d093b08684bdbbea4a5a5378f095e7b926c65a0ca2646f4601b6687c |
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