MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical alert for redirector links to known malicious infrastructure. The document contains a large number of embedded links, many pointing to disposable domains, suggesting a link farm designed to distribute malware or phish users. The ML classifier and ClamAV detection further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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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://yafferge.ru/award?keyword=anatomy+coloring+book+pdf+kapit In PDF document text
- http://securespot.ru/kavasojbg0dl.pdfIn PDF document text
- https://lizekolu.weebly.com/uploads/1/3/1/3/131379949/diropumapuwokovi.pdfIn PDF document text
- https://jewutejaj.weebly.com/uploads/1/3/1/0/131070173/bezerusavejapozev.pdfIn PDF document text
- http://turodes.iblogger.org/86690346769.pdfIn PDF document text
- https://cdn.sqhk.co/nesuxozajek/PjaifBa/morpho_syntactic_analysis.pdfIn PDF document text
- https://cdn.sqhk.co/petawelesup/fxtfaic/pokolebokor.pdfIn PDF document text
- http://subonus.ru/black_and_decker_toaster_oven_cookbooktubjk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kixazogegome.epizy.com/1621534728.pdfIn PDF document text
- https://777dd155-384c-4f1d-a337-8f27b94bb056.filesusr.com/ugd/1ecdae_b9228ee2628e4ada95764fe082893e61.pdf?index=trueIn PDF document text
- https://9e2bb560-353e-4f5d-a08b-1363560edab4.filesusr.com/ugd/6c032c_d3c4d018b0d647609a839c9277f3766a.pdf?index=trueIn PDF document text
- https://404c0e03-56c4-4888-bb84-d9d32a71a3e4.filesusr.com/ugd/100e2e_47b19688ebb24c48845a0d36bd05ecfe.pdf?index=trueIn PDF document text
- https://1a447ccf-a6a5-490c-ad31-399ae8169532.filesusr.com/ugd/cf5184_9d63afd23abd4c8a8a68e11fd02b3993.pdf?index=trueIn PDF document text
- https://8319d365-0190-44ee-b2f3-e76f6fd230eb.filesusr.com/ugd/112488_043c020bfae34983bf6affeaeaeadab0.pdf?index=trueIn PDF document text
- http://pudopotodu.epizy.com/lumegadejina.pdfIn PDF document text
- http://zagasazibizit.epizy.com/xufejiforuje.pdfIn PDF document text
- https://02408c19-b9f6-4996-a596-1d5b7e46c8d3.filesusr.com/ugd/c83fdb_c595e48ef03d41488cb4313532e3add3.pdf?index=trueIn PDF document text
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_a0b4ab01f1f4417ea62232c5ead155b3.pdf?index=trueIn PDF document text
- https://3ff4c494-4984-418a-b709-7a5c611cca0a.filesusr.com/ugd/adbee0_e6d747e780f44a8fb632cf08a1fc094a.pdf?index=trueIn PDF document text
- http://tekobisami.rf.gd/electrocardiography_for_healthcare_professionals.pdfIn PDF document text
- https://89f68ddc-9f98-4e60-8afa-3e0ca6603e9e.filesusr.com/ugd/4725f1_0670dec796e74280934ded087ef40c4c.pdf?index=trueIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C5 | 5592 bytes |
SHA-256: 85123ab5a8f9b61e68e6a63c1a6e8441a5862de86c6378f3430b16cf38de3a4e |
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font_01_sfnt_off0000fcc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC2 | 10784 bytes |
SHA-256: c10b5aa63f4978f013b908b3d261e3b692b37c997948d11dff7064f75f0bb6b1 |
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