MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that form a link farm, directing users to various domains. Heuristics indicate these links are intended to exploit SEO tactics and point to compromised CMS uploads, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cructi.ru/uplcv?utm_term=how+to+draw+elsa+from+frozen+2 PDF link annotation
- http://affectif.ro/data/Image/file/ponixuxiromaguvukobadiv.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/20341507852.pdfIn PDF document text
- https://svezadjecu.me/userfiles/file/fuwelunafifakorated.pdfIn PDF document text
- http://daiquangsico.com/img_duhoc/files/viremepali.pdfIn PDF document text
- http://tc-antey.ru/uploads/files/59146563856.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/sazupat.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b94131c21a---28717095666.pdfIn PDF document text
- http://cherryontop.pl/upload/fotki/file/mepuxolegin.pdfIn PDF document text
- https://aiwcecckolkata.org/FCKeditor/file/54461774171.pdfIn PDF document text
- http://balbu.hu/uploads/news/file/visosepi.pdfIn PDF document text
- https://5uempat.com/contents/files/majurirumiluzadogevator.pdfIn PDF document text
- http://zhouzhuanx.com/v15/Upload/file/2021925444543973.pdfIn PDF document text
- https://rm-parketi.si/uploads/papoxomejiruta.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e5e34dcba0---vijixivisozosevekovefa.pdfIn PDF document text
- http://citlak.de/admin/UserFiles/file/fitasubobonadofirut.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/numarigakufenemapim.pdfIn PDF document text
- http://iqlacpro.vn/emotive/upload/files/73723123441.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149e533a3ce8---70700297435.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/relatedasenogu.pdfIn PDF document text
- https://tranthachcaodanang.com/uploads/image/files/sufamelesoxigapokegoz.pdfIn PDF document text
- http://gyogytornasz.hu/editor_up/livaxetomo.pdfIn PDF document text
- http://anninh247.info/upload/files/8930844750.pdfIn PDF document text
- http://commsoft.nu/demo/ktb/wsmbilder/files/15467628742.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/gekomarijawuruzofiji.pdfIn PDF document text
- 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_off0000b600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB600 | 10680 bytes |
SHA-256: b2dea1d6dca1c83a259ed1d3cb24b78f2200f92fd155b494a0c2f66fd9d2e4dc |
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font_01_sfnt_off0000ce98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE98 | 17484 bytes |
SHA-256: 57b248e2f0cbb2607a806967caba8169b14c87ac413db1ac1adbcfc8ce9ab66a |
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font_02_sfnt_off0000fb94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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