MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains numerous embedded links, a common technique for SEO poisoning and redirecting users to malicious sites. The primary malicious URL identified is ttraff.ru, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Acca f5 study guide pdf' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=acca+f5+study+guide+pdf
- http://files.nicolainickson.com/uploads/1/3/1/3/131378942/297f233a35e2ec.pdf
- http://files.cityxlab.com/uploads/1/3/1/4/131411281/5848899.pdf
- http://files.futureplanning.org.uk/uploads/1/3/1/3/131384573/5875012.pdf
- http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdf
- https://cdn.shopify.com/s/files/1/0434/6229/5714/files/mexexibonuwadawar.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/digalikerewuxajevukadud.pdf
- https://cdn.shopify.com/s/files/1/0437/2656/9633/files/sekiro_mask_fragment.pdf
- https://cdn.shopify.com/s/files/1/0432/1024/4260/files/xubenejudodedu.pdf
- https://cdn.shopify.com/s/files/1/0430/3123/2674/files/casti_guidebook_to_asme_section_ix.pdf
- https://cdn.shopify.com/s/files/1/0434/4614/1093/files/43619518314.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/vulumaxegusekeliri.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/26543292937.pdf
- https://cdn.shopify.com/s/files/1/0432/8649/5400/files/13671407761.pdf
- https://cdn.shopify.com/s/files/1/0430/3824/5017/files/75590743066.pdf
- https://cdn.shopify.com/s/files/1/0428/3249/4751/files/mawesoboxeja.pdf
- https://cdn.shopify.com/s/files/1/0430/1615/9395/files/76356410687.pdf
- https://cdn.shopify.com/s/files/1/0428/8099/1395/files/dulugusamos.pdf
- https://cdn.shopify.com/s/files/1/0431/0846/6845/files/mobile_ad_hoc_networks_lecture_notes.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006941.bin627f0a191021364ffff814df14b37ad7a36e251804849750019d86db3ed5ac71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6941 | 5408 bytes |
font_01_sfnt_off00007bc6.bindc9ec1ec849eb80b799c6629e923571fcaa5f7c77645ef583905e1ca89f97b90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BC6 | 10352 bytes |
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