MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains a URL that is presented as a link to a 'free checkers app for android'. This suggests a phishing or social engineering attack aimed at tricking users into downloading a malicious application. No scripts were extracted, but the presence of an external URI points to a download or redirection attempt.
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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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/aws?utm_term=free+checkers+app+for+android PDF link annotation
- https://cdn-cms.f-static.net/uploads/4390330/normal_5fa6eac034a3d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374843/normal_5fa1982f63b9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475863/normal_5fa6f44f04e67.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/7425b5cc-4f3c-4ad5-a5d9-b43671800ef9/logan_swim_and_tennis_club_youngstown_oh.pdfIn PDF document text
- https://s3.amazonaws.com/donake/37789894208.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a624d082-4251-4222-b7a5-43e08e0a37b1/77116941157.pdfIn PDF document text
- https://s3.amazonaws.com/kizuporowefib/xezuvisewi.pdfIn PDF document text
- https://s3.amazonaws.com/wovigebi/sexawugezejoxanesalimo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2aa3a110-0c16-41af-8d66-c12bdd52b38c/jufesanakegakubudifi.pdfIn PDF document text
- https://s3.amazonaws.com/tadovu/american_english_file_starter_second_edition.pdfIn PDF document text
- https://s3.amazonaws.com/jezobasit/unteralterbach_save_game.pdfIn PDF document text
- https://s3.amazonaws.com/pizivurapab/fallout_character_sheet.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_off0000d3fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3FE | 5228 bytes |
SHA-256: c40888583e7feff6dc1c859edfe689059bede2677c0026b1a0a4e92acc0b3e9f |
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font_01_sfnt_off0000e5c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C5 | 10608 bytes |
SHA-256: 826adf9393d93473b7a9be1a5e85fe72052fb450044b29a8a7111d195b8c1f45 |
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