MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. It contains a large number of external links, suggesting a link farm or phishing campaign. While no scripts were explicitly extracted, the PDF structure and embedded URIs point towards techniques used to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://trafffe.ru/aws?utm_term=the+very+hungry+caterpillar+worksheets+sparklebox PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365652/normal_5f998ff2ecc71.pdfIn PDF document text
- https://lolijejolo.weebly.com/uploads/1/3/4/4/134442146/jiwirotezurifiwobige.pdfIn PDF document text
- https://jezaxegare.weebly.com/uploads/1/3/1/3/131380636/5669539.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368478/normal_5fa988e253573.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376878/normal_5f9549913547d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450260/normal_5fc032b064de2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387813/normal_5fa8875fc5bea.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/443c4c7c-be48-430e-acfe-dd1383360882/target_swot_analysis_recommendations.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2816a1ef-dfdb-4d9f-be97-b02ba286ecfe/pro_football_coach_apk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3588305a-58ac-478d-a79e-a822a99b8f63/jodigogikugajezib.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_off0000c23a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC23A | 5672 bytes |
SHA-256: be87d3b0ca465bc40a7a9c4bad37ce9dff28c3399860bb48299bb4e47e502004 |
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font_01_sfnt_off0000d59d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD59D | 10472 bytes |
SHA-256: d149194db9572bb997094961db355e81b6ca2d771205b9e3aad02396c5c2f8e3 |
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