MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/aws?utm_term=camera+raw++photoshop+cs5'. The ML classifier also strongly flagged this PDF as malicious. While the document body is heavily obfuscated, the presence of a malicious link and the ClamAV detection indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/aws?utm_term=camera+raw++photoshop+cs5
- https://site-1166082.mozfiles.com/files/1166082/kingdom_rush_origins_mod_apk_4_0_12.pdf
- https://cdn.sqhk.co/rodesedaded/hhgEdy9/duterte_fighting_crime_2_mod_apk_free_download.pdf
- https://site-1177924.mozfiles.com/files/1177924/gonubawete.pdf
- https://static.s123-cdn-static.com/uploads/4417024/normal_5fe272a8bd4ee.pdf
- https://cdn-cms.f-static.net/uploads/4374362/normal_5f89072a454b6.pdf
- https://site-1177630.mozfiles.com/files/1177630/teaching_english_grammar_macmillan.pdf
- https://cdn.sqhk.co/letinumi/pjg6jfs/99758728480.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jijumupade/marmara_formasyon_akademik_takvim_2019.pdf
- https://s3.amazonaws.com/wapabefizosumi/take_screenshot_android_phone.pdf
- https://s3.amazonaws.com/mijumomub/dishonored_2_mission_5_guide.pdf
- https://s3.amazonaws.com/buganabowumujef/psychology_of_language_acquisition_and_language_learning.pdf
- https://s3.amazonaws.com/wuxupewu/howard_the_alien_sheet_music.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_off0000db27.bin3ae5c7dacc99a8bc0a99b79f210c12696365b0e8df2d293763389fb09673d230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB27 | 5264 bytes |
font_01_sfnt_off0000ecf2.bin5452f94920172284b442ecbab1a55b73d9f1aaa8443f59465695c5ae95a4593b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF2 | 11036 bytes |
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