MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics as a malicious redirector and link farm, indicating a high likelihood of phishing or malware distribution. The embedded links, such as 'https://cctraff.ru/123?utm_term=all+brickmania+kits', are designed to lure users to malicious sites. The ML classifier and ClamAV detection further support the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://cctraff.ru/123?utm_term=all+brickmania+kits
- https://wofinomedek.weebly.com/uploads/1/3/4/1/134108675/vazid_bixosopegojazag_foxakipot.pdf
- https://mibonapa.weebly.com/uploads/1/3/4/3/134308174/bilijav.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sasufufa/zanarkand_theme_piano_sheet_music.pdf
- https://uploads.strikinglycdn.com/files/ccdf0b18-4eb6-4199-9356-02a311bc1fd8/monukuxunofagezafo.pdf
- https://s3.amazonaws.com/degagaziv/begupi.pdf
- https://s3.amazonaws.com/memul/tojixedunurajilekan.pdf
- https://uploads.strikinglycdn.com/files/e3a6e616-b398-4166-8a4c-dd44b24a1582/duzurokilunititiwaw.pdf
- https://s3.amazonaws.com/lupebesu/door_access_control_policy_template.pdf
- https://s3.amazonaws.com/sazariwapa/ashab_e_kahf_story_in_bangla.pdf
- https://s3.amazonaws.com/pozokimepe/wevabimoduxifat.pdf
- https://s3.amazonaws.com/rubidokezive/formation_complete_excel_2007.pdf
- https://s3.amazonaws.com/nafoxuda/89331933298.pdf
- https://s3.amazonaws.com/jutenojamega/50097261171.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_off0000d6c4.bin4f392b0bbd2706f4b4561c0877c00ed5537bc5ab0d8ae310ef0b86552af82778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C4 | 5140 bytes |
font_01_sfnt_off0000e825.bin1947b4fed4a0429c5d625af5045fd95a9721d3ed967b5826e51889045c7859f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE825 | 11072 bytes |
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