MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains numerous links to external websites, many of which appear to be part of a link farm designed to manipulate search engine results. One prominent URL, 'https://yafferge.ru/aws?utm_term=best+android+app+development+course+for+beginners', is flagged as a redirector to malicious infrastructure. The document's content, though heavily obfuscated, suggests a lure related to app development courses, aligning with phishing or malware distribution tactics. The presence of ClamAV detection and ML classification further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.7213
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://yafferge.ru/aws?utm_term=best+android+app+development+course+for+beginners In PDF document text
- https://cdn-cms.f-static.net/uploads/4480743/normal_601f0ca75d2c8.pdfIn PDF document text
- http://trokot-shtorki.online/hitman_sniper_assassin_downloadvzc8j.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413011/normal_601f1536e6385.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407303/normal_5fef983d2be42.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423431/normal_601cc8153b5f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408004/normal_5fdc7cb86f2fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444885/normal_5fd62402b1233.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408596/normal_600125bf66aa0.pdfIn PDF document text
- http://buyervannakupitvsem.xyz/bebarapowopows7kv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378171/normal_5fcf0afe9aaa0.pdfIn PDF document text
- https://rigivopamakor.weebly.com/uploads/1/3/4/8/134869382/dulurunaridirog.pdfIn PDF document text
- http://peludofnor.fun/remove_duplicate_cells_in_google_sheetsqv5v2.pdfIn PDF document text
- http://cloudplay.xyz/69620669386yk2e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383131/normal_600dc751bd226.pdfIn PDF document text
- http://azorocheat5.xyz/76450842241bcmjb.pdfIn PDF document text
- http://canonsburglake.org/xodozitalodojanajapjuygt.pdfIn PDF document text
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