MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, includes the same URL and a reference to 'norming stage of group formation', suggesting a lure. The presence of many external PDF links, some pointing to Shopify, indicates a potential link farm or content stuffing technique to obscure the malicious intent. No scripts were extracted, but the primary malicious activity observed is the redirection to a harmful URL.
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=norming+stage+of+group+formation
- http://files.sworldmusic.com/uploads/1/3/1/4/131406430/kuxakekajovowuti.pdf
- http://files.sapcrc.com/uploads/1/3/0/7/130775607/34f020555d2657.pdf
- http://files.lamarrministriesllc.com/uploads/1/3/0/8/130814676/monen.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5547/1006/files/fedeba.pdf
- https://cdn.shopify.com/s/files/1/0439/2920/6952/files/excel_bookkeeping_spreadsheet.pdf
- https://cdn.shopify.com/s/files/1/0430/9798/1082/files/machine_learning_algorithms_cheat_sheet_r.pdf
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/62214505056.pdf
- https://cdn.shopify.com/s/files/1/0430/9090/3193/files/organelos_celulares_unam.pdf
- https://cdn.shopify.com/s/files/1/0435/2465/3224/files/namo_app_apk.pdf
- https://cdn.shopify.com/s/files/1/0432/6345/9496/files/kerurekulabab.pdf
- https://cdn.shopify.com/s/files/1/0437/7772/0469/files/quantum_resonance_magnetic_analyzer_driver_free.pdf
- https://cdn.shopify.com/s/files/1/0439/0413/9416/files/zomebomejoludo.pdf
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/mehndi_design.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_off000065c8.bina6fe87ef212362010e95c6adb81489010507b881fb463d637d42754d9df957ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C8 | 5156 bytes |
font_01_sfnt_off00007745.bin04056f2aa7327fd3354565aff3924ef9d1f7bd7c49135cc59a92e52b716f1d2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7745 | 10040 bytes |
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