MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/123?utm_term=quarter+units+to+semester+units+uc'. This URL is the primary indicator of malicious intent, likely serving as a lure for phishing or to download further malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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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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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://cctraff.ru/123?utm_term=quarter+units+to+semester+units+uc In PDF document text
- https://static.s123-cdn-static.com/uploads/4471723/normal_5fdf58ddcae45.pdfIn PDF document text
- https://kelipibefis.weebly.com/uploads/1/3/4/5/134500531/9d5e3f0b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477886/normal_5fb70f9f294fd.pdfIn PDF document text
- https://ximewenidurap.weebly.com/uploads/1/3/4/6/134651426/zafafila-tasiza.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466659/normal_5fcaf627b78f8.pdfIn PDF document text
- https://vodemilofokuse.weebly.com/uploads/1/3/4/2/134235674/fokelederarer_tepamafore_bolizof_luvune.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/c7913437-9ea2-4719-8c35-d9bb1e1368e5/experimenter_expectancy_effect_definition_psychology.pdfIn PDF document text
- https://s3.amazonaws.com/luramamelolem/barish_ka_bahana_hai_mp4.pdfIn PDF document text
- https://s3.amazonaws.com/leguvefu/atmosphere_layers.pdfIn PDF document text
- https://s3.amazonaws.com/mujevubutukoxu/debate_opening_speech.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48ce7daf-3950-4cb5-9f8b-6a5a0c1ca6d0/hp_photosmart_m417_owners_manual.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://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_off0000cd3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD3D | 4972 bytes |
SHA-256: e4418664b156ac21318ef5dd506341d508cdcc46354e8afe4259a1cc80f2363c |
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font_01_sfnt_off0000de10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE10 | 10368 bytes |
SHA-256: 65326d8f62bbb871219853046d8b5069528bdbe054cfdacfba1161aff759e8ad |
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