MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, https://ttraff.ru/pify?keyword=video+games+lana+del+rey+sheet+music, is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, supporting the conclusion that this PDF is designed to lure users to malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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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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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://ttraff.ru/pify?keyword=video+games+lana+del+rey+sheet+music
- http://ludod.musicteachers.london/uploads/1/3/0/8/130813846/sewularosuvoz-girap-bewekemoseka.pdf
- http://dovif.leluxhomescents.com/uploads/1/3/2/7/132712354/321a8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/45702947970.pdf
- https://cdn.shopify.com/s/files/1/0429/7578/9215/files/mac_terminal_commands_cheat_sheet.pdf
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/5065690807.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1336/files/best_secret_video_recorder_apps_for_android.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8401/files/lisavedidesunaleboro.pdf
- https://cdn.shopify.com/s/files/1/0440/2728/1558/files/30685549684.pdf
- https://cdn.shopify.com/s/files/1/0435/1698/5498/files/25949435849.pdf
- https://cdn.shopify.com/s/files/1/0437/6113/9861/files/nupafovezodevi.pdf
- https://cdn.shopify.com/s/files/1/0433/7552/6051/files/hyundai_avante_xd_2020_manual_pdf.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_off000040fb.bin3c0806fdeff7b5b4999b382b573ec2ff0bb9e31338273907657707858f76d130 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40FB | 5420 bytes |
font_01_sfnt_off00005341.bin926e6013996925d38669cc8155cb0b0667a3823f896d0b0e60ab75c923f89522 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5341 | 9576 bytes |
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