MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to known malicious redirector infrastructure, specifically `https://cctraff.ru/strik?keyword=balloon+tower+defense+4+crazy+games`. This heuristic firing, combined with the ML classifier's high confidence, strongly suggests a malicious intent to redirect the user to a harmful site. The document body, though heavily obfuscated, also contains this URL, reinforcing its importance as a primary IOC.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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/strik?keyword=balloon+tower+defense+4+crazy+games In PDF document text
- https://cdn-cms.f-static.net/uploads/4389797/normal_5f95360967660.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369332/normal_5f87e1d0a2d95.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372076/normal_5f8c7440161b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417992/normal_5fa002765293f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/takateg/25778336866.pdfIn PDF document text
- https://s3.amazonaws.com/subud/pexirajoxutuwusixan.pdfIn PDF document text
- https://s3.amazonaws.com/senodiw/sulufidu.pdfIn PDF document text
- https://s3.amazonaws.com/zuxadol/estres_y_ansiedad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1158/6722/files/51_pounds_in_kg.pdfIn PDF document text
- https://s3.amazonaws.com/kewuxejikiwe/i_saw_mommy_kissing_santa_claus_lyrics_and_chords.pdfIn PDF document text
- https://s3.amazonaws.com/zafaronivaj/chauvet_gigbar_2_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d38f02c6-5e6d-4c0f-a134-7f5f73430979/68294951266.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1354/4863/files/wadofori.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f117cec-0461-4221-9cec-20aad9ad0f5c/textbook_of_family_medicine_free_download.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_off00005238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5238 | 5720 bytes |
SHA-256: 92f697f476b7a110aa4ad140cdcebfc0c238a3ac2299cf97b092c19400c52e74 |
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font_01_sfnt_off000065c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C8 | 9748 bytes |
SHA-256: bcd96236cee68b9a72bf1710b6b92fbf49ccad1a9017fe82c69307b485eec5c0 |
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