MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document that contains an embedded URL pointing to a suspicious domain. The document body, though heavily obfuscated, suggests a lure related to 'Holt elements of language fifth course vocabulary workshop answers'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via the embedded URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
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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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/strik?utm_term=holt+elements+of+language+fifth+course+vocabulary+workshop+answers PDF link annotation
- https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/zikeg-dezurol-ritusife.pdfIn PDF document text
- https://kujegafibez.weebly.com/uploads/1/3/4/2/134265926/liziloz.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/8bfb49c1-e2db-49c7-b22c-eff6c190ae4e/sst_900i_manual.pdfIn PDF document text
- https://s3.amazonaws.com/wusigipufuvowix/begumab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef359b5d-751c-4b3c-8db4-034c082df4f8/korabeweleweta.pdfIn PDF document text
- https://s3.amazonaws.com/xunilukegez/dremel_4000_user_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7e54ae4-a832-4350-b967-5d1af09bb68e/12300761529.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0b544c89e1c4b8fbd6471/t/5fc137d2f3de5e49b590d716/1606498259308/20697981699.pdfIn PDF document text
- https://s3.amazonaws.com/zerejibixupav/cask_bar_and_kitchen_reservations.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00019017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19017 | 1540 bytes |
SHA-256: 19d62c356ade0be624ba7ac40a61a1b3f996e0f97a9ff1efd3790f972ba365f4 |
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font_01_sfnt_off000197fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x197FB | 5848 bytes |
SHA-256: 581115ac9628d9b41692c96fffe0f6ac648aff451da75e3ea86db517ad5c6a78 |
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font_02_sfnt_off0001abd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1ABD9 | 11772 bytes |
SHA-256: ca355a5a6b207f484ffac688ef1aa46356c679a2237af22847472b8be4278350 |
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