MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely used to deliver a secondary payload or conduct phishing. The document body, though heavily obfuscated, suggests a lure related to 'stoichiometry test questions and answers pdf'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://trafficel.ru/123?keyword=stoichiometry+test+questions+and+answers+pdf PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fatisake/71672715316.pdfIn PDF document text
- https://s3.amazonaws.com/xisefowu/mekawub.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6fc8823-90df-46db-a146-53c85f0fd11a/waduv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0adc5f78-9d62-404e-857b-57e2151a7005/vifigodaxumovibuxu.pdfIn PDF document text
- https://s3.amazonaws.com/fosalizuzu/bridgestone_hoa_cedar_hills_utah.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7c5d464-126e-4394-b515-4fefad4a8700/siladujaladi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c3ed63b-a37d-4e33-94b3-9bd87b48015a/a_small_cart_is_rolling_down_an_inclined_ramp.pdfIn PDF document text
- https://s3.amazonaws.com/tetazino/maternity_leave_application_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b61b689-c421-481a-b8b0-9bc0201a7820/80979504146.pdfIn PDF document text
- https://s3.amazonaws.com/lefemijip/53181449436.pdfIn PDF document text
- https://s3.amazonaws.com/xebuvuwov/17318547456.pdfIn PDF document text
- https://s3.amazonaws.com/sojaxub/5097731997.pdfIn PDF document text
- https://s3.amazonaws.com/dazutun/asme_bpvc_section_viii_division_1.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_off0000d86e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86E | 5788 bytes |
SHA-256: 0c1bf58e3884b6fe1c0f443a6b535acb508adba7c13d4ce957e9dee4555c7eb1 |
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font_01_sfnt_off0000ec10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC10 | 10440 bytes |
SHA-256: dc12c65400c847f8a8925da8793339879d0cb8aa21075f74de4bbbd319919d7f |
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