MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing indicating a malicious redirector link to 'ggtraff.ru'. This, combined with a high ML score and ClamAV detection, strongly suggests malicious intent. The document body, though heavily obfuscated, contains metadata related to wkhtmltopdf and a date, but no clear textual lure. The primary attack vector appears to be directing the user to the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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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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://ggtraff.ru/123?keyword=thank+you+for+the+advance+notice
- https://cdn-cms.f-static.net/uploads/4379614/normal_5f8c8848c8c5d.pdf
- https://cdn-cms.f-static.net/uploads/4387565/normal_5f9dbb043a20d.pdf
- https://cdn-cms.f-static.net/uploads/4369522/normal_5fa6813d8acfa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/c03aa724-a5c6-45b8-a3da-74da1750a4f5/53855526063.pdf
- https://s3.amazonaws.com/toliwudalamem/sector_area_worksheet_answer_key.pdf
- https://uploads.strikinglycdn.com/files/802c06a5-4006-4bc5-b208-1e1cdcbe2266/75411097998.pdf
- https://uploads.strikinglycdn.com/files/a34ae07e-ea45-48ae-a797-084cfe58dd2f/vuremex.pdf
- https://uploads.strikinglycdn.com/files/161bbfcb-78e5-4015-bb90-0348c891aad1/sage_the_gemini_now_and_later_download.pdf
- https://s3.amazonaws.com/dorobukasawituw/64058257623.pdf
- https://uploads.strikinglycdn.com/files/d1f036c8-fec4-4e80-89e8-b4127d5faf62/soxunusul.pdf
- https://uploads.strikinglycdn.com/files/cd1b8f95-8f71-48eb-ba6e-1f56c65bb349/gavukovavizufakadozubokug.pdf
- https://s3.amazonaws.com/dukajevo/bosuwed.pdf
- https://s3.amazonaws.com/wonoti/bitibepikuvovuzile.pdf
- https://uploads.strikinglycdn.com/files/4b675f9f-57f4-466a-9c73-ffd404622e3d/melisalufeditiju.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cff4.bina9226ae149f4c313fdf76bcfe8016a8cdf5f92a3b4de37548bfb34e8eef1232e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFF4 | 5072 bytes |
font_01_sfnt_off0000e144.bin89e91a0c700cb0055059ab9983256e7e1651aef2a39f885a4ca50e36e2959686 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE144 | 10492 bytes |
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